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S1385894720307749 | In this experimental study using 5 5 diallyl 2 2 dihydroxy 3 3 dimethoxybiphenyl the activity kinetics and mechanisms in aqueous solution were investigated for the delignification of ClO | 5 5 diallyl 2 2 dihydroxy 3 3 dimethoxybiphenyl DDD is synthesized. Differential ultravioletvisible is used to determine the DDD concentration. DDD reacting with ClO. bleaching is a second order reaction at pH 3.42. Activation energy is calculated as 141.58kJmol. by Arrhenius equation. |
S1385894720307762 | Activated bio carbons were developed from residues of supercritical extraction of raw plans such as raspberries blackcurrant nettle and green tea . The physicochemical properties of the activated bio carbons were characterized by low temperature nitrogen sorption and Boehm titration . All materials were used for the adsorption of methylene blue and methyl red from liquid phase . The influence of different parameters such as initial concentration contact time and pH of dyes solution on the effectiveness of organic dyes adsorption was evaluated . The possibility of using the Langmuir and Freundlich isotherm models for description of the character of the sorption processes was checked . The experimental data were found to be well described by the pseudo second order model . All materials were also used for nitrogen dioxide adsorption form gas phase . The presence of steam in the stream of gases has a positive effect on adsorption of toxic gas by bio sorbents obtained . The maximum sorption capacity of the activated bio carbons towards methylene blue was 146mg g | Residue after supercritical extraction of raw plants as precursor for activated bio carbons production. This study developed activated bio carbons to remove pollutants from liquid and gas phase. Adsorption of organic dyes was studied from solutions with different pH. Langmuir and Freundlich models were applied to evaluate adsorption equilibrium data. Obtained activated bio carbons applied to remove NO. in dry and wet conditions. |
S1385894720307786 | The mixed 2D 3D perovskite has been proved to be a promising candidate to increase the exciton binding energy in perovskite light emitting diodes . However the complex phase distribution and impurity limit the stability of the corresponding PeLEDs . Here a novel molecule cyclopentanamine hydrobromide is adopted to construct a mixed 2D 3D perovskite by partial substitution of FA with CyPA realizing fine phase control for improved device stability . The adoption of CyPAHBr helps to tune perovskite grain growth and passivate the defect resulting in high coverage and smooth thin film with improved photoluminescence property . The PeLEDs with an optimized CyPAHBr concentration of a molar ratio of 40 exhibit a pure green emission with a full width at half maximum of 22nm an external quantum efficiency of 6.55 and a maximum brightness of 9408cdm | A novel molecule CyPAHBr is synthesized and adopted to construct a mixed 2D 3D perovskite. The CyPAHBr can help to tune the perovskite growth and passivate of the defect along with fine phase control. The optimized PeLEDs exhibit a pure green emission with FWHM of 22nm EQE of 6.55 and a maximum brightness of 9408cdm. The CyPAHBr based device shows a half lifetime two times longer than the one based on a traditional ligand PEAHBr. |
S1385894720307798 | Phosphorus has been regarded as one of promising anodic materials for Li and Na ion batteries owing to the merits of high theoretical specific capacity and natural abundance . Nevertheless its practical applications suffer from huge volumetric change during cycling and low electronic conductivity with the result of fast capacity decay and low Coulombic efficiency . To be noted that amorphous red P is universally used as the SIB anodic material in most of the reported works . Herein we successfully construct crystalline red P nanorods confined within 3D rGA architecture composite | The rational design strategy of crystalline RP rGA architecture was developed. The crystalline RP rGA electrode exhibits high inicial CE with a 75.9 P loading. The sodium storage mechanism of the crystalline RP rGA electrode have been revealed. |
S1385894720307804 | Development of high energy density lithium metal batteries with high cycling stability is becoming more and more important . In this study a novel and reliable electrolyte additive 2 Fluoropyridine was successfully applied to enhance the stability of different commercial liquid electrolytes and effectively improve the performance of LMBs for the first time . The 2 FP additive was found to play a critical role in the decrease of Li nucleation as well as deposition overpotential and finally supressing the Li dendrites . As a result the high voltage LiNi | 2 Fluoropyridine is firstly used as an electrolyte additive for lithium metal batteries. The additive worked well with a reduced amount of commercial electrolyte. The functions of 2 Fluoropyridine were proved by experiments and DFT calculations. The batteries with high areal capacity showed improved high voltage and cycling stability. |
S1385894720307816 | Supercapacitors with an advanced high volumetric energy density require a match of both electrodes materials and suitable electrolyte . Here aqueous asymmetric supercapacitors are designed by employing layered Ti | Ti. AC asymmetric SCs are assembled with MXene and compact AC film. 1.7V voltage is achieved by tuning the mass ratio of both electrodes of the SCs. Ti. AC KBr hybrid SCs are constructed by adding into H. SO. electrolyte. Ti. AC KBr hybrid SCs achieve ultrahigh energy density 102.8WhL. . |
S1385894720307828 | Silicone rubber is one of the most promising dielectric elastomer materials for DE actuator but it is still limited by low properties such as mechanical strength dielectric constant and actuated strain at low electric fields . In this study we report the design and preparation of SiR DE composite with simultaneously improved tensile strength dielectric constant and actuated strain at low electric fields by introducing both polar functional group and multifunctional filler . Firstly carboxyl groups were grafted onto polymethylvinylsiloxane by using a radical mediated thiol ene click reaction to improve the dipole polarizability . Meanwhile epoxy group functionalized TiO | The interfacial cross linking bonding between E TiO. and PMVS COOH was formed. Both dipole and interfacial polarization lead to the large increase in . The mechanical strength was largely improved due to good interfacial interaction. The actuated strain at low electrical field was largely improved. |
S138589472030783X | The further development of the chemical looping air separation technology is hindered by the required high redox temperature . Improving the thermodynamic properties of oxides by elemental composition is an effective way to decrease the reduction temperature of oxygen carrier . In this paper a Cu Mn composite oxygen carrier was prepared by the addition of Mn | The Cu Mn composite oxygen carrier with relatively low reaction temperature is constructed. The reactivity and oxygen transport capacity of this oxygen carrier are determined. The thermodynamic data including. and. of the redox reaction are obtained. The redox kinetic models of the Cu Mn composite oxygen carrier were established. |
S1385894720307841 | In this work the hydrogenation of methylstyrene to cumene over Pd catalyst is adopted to determine the external mass transfer performance under the mass transfer limited regime in micro packed bed reactors . The operating temperature pressure and solvent are first confirmed for this method . Then the effects of gas and liquid superficial velocities as well as particle size on the external overall volumetric mass transfer coefficient are investigated . The external overall volumetric mass transfer coefficient in micro packed bed reactors can reach 0.152.76s | The external mass transfer of micro packed bed reactors was investigated. The effects of particle size gas and liquid superficial velocities were analyzed. The external overall volumetric mass transfer coefficient is 0.152.76s. A correlation of external volumetric mass transfer coefficient was proposed. |
S1385894720307877 | Microplastics an emerging threat to terrestrial ecosystems have aroused global concerns due to the potential harm to wildlife and human . So far no effectively method has been found to remove MPs from wastewater . In the present study a robust and compressive sponge prepared from chitin and graphene oxide was achieved with the compressive stress of 50 and 40MPa at dry and wet status . Such sponge efficiently adsorbed different types of MPs from water at pH 68 and can be reusable with the high adsorption capacity of 89.8 72.4 and 88.9 for neat polystyrene carboxylate modified polystyrene and amine modified polystyrene respectively even after three adsorptiondesorption cycles . The adsorption kinetic study suggested that the electrostatic interactions hydrogen bond interactions and interactions were the main driving force for MPs absorption and the intra particle diffusion played a major role in the whole adsorption process . The isotherm results followed the Langmuir isotherm model with the maximum adsorption capacity of PS calculated to be 5.898 . 7.528 and 8.461mgg | A robust and compressive ChGO sponge was prepared by double crosslink. The sponge showed high mechanical strength and adsorption capacity. Electrostatic interactions hydrogen bonds and interactions were main forces. The sponges showed good reusability biocompatibility and biodegradability. |
S1385894720307889 | As promising next generation energy storage system all solid state lithium batteries offer great potential for achieving high energy density and improved safety over lithium batteries with liquid counterpart . Dense microstructure with high ionic conductivity are prerequisites for solid electrolyte . The promising Li garnet electrolyte suffers from poor sinterability which results in porous structure and large grain boundary resistance . Herein we report that the poor sinterability of garnet Li | SiO. scavenges the Li. CO. on garnet LLZTO surface during densification process. Higher relative density and Li. conductivity are achieved after Li. CO. elimination. Enhanced Li ion conduction benefits from Li conducting Li. SiO. as reaction product. |
S1385894720307907 | Photoluminescence has been significantly applied in anticounterfeiting and encryption . However present PL anticounterfeiting and encryption efforts are based on static PL which is easily counterfeited by substitutes . In this work a multimode dynamic PL material MgGa | An advanced multimode dynamic PL material MgGa. is developed. PL color changes from green to blue in seconds and reverses at high temperature. Safe anticounterfeiting images are fabricated based on multimode dynamic PL. A new technology of encryption optical storage is designed based on dynamic PL. Information stored on images is stable and can be erased by irradiation of lamp. |
S1385894720307919 | Extracellular polymeric substance of anaerobic ammonium oxidation sludge plays an important role in resisting the toxicity when treating heavy metal containing wastewater . Understanding the interaction mechanism between EPS and heavy metal is essential for stable and optimal operation of such technology . In this work the identification and preferential response of the binding sites as well as the binding thermodynamic and the conformational changes of EPS to Cu | Binding of anammox EPS with Cu. was endothermic and entropy increased. Carboxyl groups of proteins were preferentially responded to Cu. The protein in EPS changed into loose structure after combining with Cu |
S1385894720307920 | Microbial sulphur cycle is of great importance to anaerobic degradation of organic pollutants coupled with metal reduction which however is usually limited by the poor oxidation of the elemental sulphur to sulphate due to the lack of chemolithotrophic sulphur oxidizing bacteria . The study presented here utilized magnetite as an Fe source to enrich the chemolithotrophic sulphur oxidizing bacteria to proceed the oxidation of the elemental sulphur which further achieved the whole sulphur cycle . The results showed that under the low concentration sulphate conditions the effluent concentration of both Cr and phenol in the reactor with magnetite was significantly lower than that without magnetite . Energy dispersive X ray analysis showed that the content of sulphur in the aggregates without magnetite was lower than that with magnetite . Conversely with magnetite the special enrichments | was cultivated in the presence of magnetite as an Fe III source. proceeded the oxidation of the elemental sulphur to sulphate. Phenol degradation coupled with Cr VI reduction were simultaneously achieved. Fe II reacted with residual oxygen in feedstocks to reduce re oxidation of Cr III . Microbial sulfur cycle was proceeded via Fe III Fe II transformation. |
S1385894720307944 | Ciprofloxacin and ciprofloxacin resistant bacteria are emerging concerns that threaten public health due to the heavy use of antibiotics and the development of bacterial resistance in water environments . In this study we examined an energy efficient treatment driven by a UV LED chlorine reaction with UV LED chip emitting UV275 nm to remove ciprofloxacin and ciprofloxacin resistant bacteria in water . Ciprofloxacin degradation during the UV LED chlorine reaction followed pseudo first order kinetics and the excessive chlorine dosage has a negative effect on ciprofloxacin removal . Alkaline pH showed the best efficiency for ciprofloxacin removal and the reactive chlorine species played a major role at alkaline pH values . The cleavages of piperazine cyclopropyl and quinolone moieties are considered as the principal degradation reactions in the UV LED chlorine reaction . Seven byproducts | UV LED chlorine was applied to remove antibiotic and antibiotic resistant bacteria. Among the reactive chlorine species Cl radical played a major role at alkaline pH. Organic and inorganic byproducts were detected during UV LED chlorine process. UV LED chlorine process achieved complete detoxification of hospital wastewater. UV LED chlorine showed the lowest electrical energy consumption per order. |
S1385894720307968 | In this work the multifunctional elastomer foam with robust mechanical properties highly piezoresistive sensitivity special temperature sensitive characteristic and excellent EMI shielding property was successfully fabricated by directly introducing thermo expandable microspheres into polydimethylsiloxane multi walled carbon nanotube . It was found that the addition of EM enhanced the piezoresistivity integrating the properties of quick response excellent reliability and extraordinary stability . For example the value of I I | Multifunctional elastomer foams were achieved by thermos expandable microspheres. Piezoresistivity of foams was improved by adding thermos expandable microspheres. The foams showed distinguishing signal response reliability and stability. The unfoamed composites showed NTC first and then PTC finally NTC again. Microwave shielding was greatly improved by adding thermos expandable microspheres. |
S138589472030797X | Shape stability PCM loading capacity and energy storage performance of organic phase change materials are crucial in broad applications of thermal energy storage and management . In this study a facile strategy was followed to design 3D porous metal supramolecular gels as supporting materials . The phase change composites were prepared by solution impregnation of polyethylene glycol . The porous supporting material exhibited large specific surface area high total pore volume and micro mesopore characteristics . In addition the influence of gel concentration on PCM encapsulation and thermal properties of composite materials were investigated in which increasing the concentration result in a decrease in energy storage capacity and loading ratio . The as prepared phase change composites revealed a high PCM loading capacity up to 90wt and energy storage capability reaches 100 . Factors such as pore characteristics and gel concentration played a central role in the thermal properties of composite PCMs . Further the phase change composites showed high durability after 100 heating cooling cycles without a significant shift in latent heat and phase transition temperatures . This investigation provides an insight into making a facile synthesis of gel based composite PCMs and possible thermal energy management systems . | Porous metal supramolecular gels were designed via an environmentally friendly method. The gels were employed to develop thermal stable composite phase change materials. The composite PCMs exhibited high energy storage capacity and durability. The influence of gel compositions on thermal properties was systematically analyzed. |
S1385894720307981 | Trap depth is an important factor in the design of long persistent or photostimulated luminescence materials lithium tantalate is a promising matrix with abundant defect traps owing to the volatile lithium . The new long persistent luminescence material LiTaO | Trivalent bismuth ions in LiTaO. matrix exhibit intense photostimulated luminescence under 980nm laser stimulation. Near ultraviolet and visible light quench the afterglow of LiTaO. Bi. phosphor rapidly. Antisite tantalum defect traps play an important role in the processes of long persistent and photostimulated luminescence. UVVis quenching effect is promising in developing efficient re writable optical storage materials. |
S1385894720307993 | The ecological and human health threats brought by emerging pollutants are increasingly serious . Development of efficient removal methods is urgent . Herein seven deep eutectic solvents composed by quaternary ammonium salts and lactic acid or glycolic acid were synthesized and used to regulate magnetic Fe | A new strategy for regulating MUiO 66 NH. by DESs was proposed. A green adsorption PPCPs method based on DES MUiO 66 NH. adsorbents was established. The selectivity of DES MUiO 66 NH. toward PPCPs was determined by the structures of DESs. The regulatory mechanism of DESs on PPCPs adsorption was explored. |
S1385894720308056 | In this study the oxidation kinetics mechanisms effects and products of metalaxyl by two different S based processes S and Cr S were systematically investigated and compared . The results showed that the concentration of S was primarily responsible for driving Mn and Cr consumption with a measured second order rate constant | of the Mn VII S IV process was 45 orders of magnitude higher than the Cr VI S IV process. The reaction stoichiometry of Cr VI. S IV. was determined to be 1 301 40. SO. was major active oxidant in Mn VII S IV and Cr VI S IV systems. Mn VII S IV process exhibits a stronger adaptation to the water matrices. |
S138589472030807X | This work reports the experimental conversion of oleic acid into methyl oleate via UiO 66 MOF catalyst . Strong focus is on the kinetic modeling 67 models based on elementary reaction steps for Eley Rideal Langmuir Hinshelwood and Hattori kinetic mechanisms are proposed . Via the application of initial reaction rate theory and nonisothermal kinetic modeling one model adequately describes the experimental data . It is a variant on the Eley Rideal type of model such that the surface reaction includes the oleic acid adsorbate methanol reacts from the liquid phase and one additional active site is considered to make the ester and water as surface reaction products so that overall two active sites are used in the surface reaction . An activation energy of 54.91.8kJmol | Kinetic modelling for methyl oleate synthesis via UiO 66 MOF. Activity coefficients are included in kinetic analysis. Initial reaction rate data analysis is very powerful for model discrimination. New type of kinetic model based on Eley Rideal steps fits the data adequately and. Turnover rates are in the range of 2.540.33 to 8.820.87 mmolOA mol |
S1385894720308081 | The conductive membrane can improve water flux and selectivity when it is employed as a membrane electrode . However stability of the membrane structure during electro filtration is still a challenge . In this study a conductive graphene hydrogel membrane was fabricated by compaction of a graphene hydrogel under external pressure . The pore size of GHM was stable at 100nm under anodic oxidation and cathodic reduction state which was beneficial for long term electro control of membrane fouling . When the GHM was negatively charged membrane fouling was mainly reduced by electrical repulsion and | A GHM was fabricated with stable pore structure at different reduction degrees. Fouling was controlled by electrical repulsion and electro oxidation on GHM. GHM could be self cleaned by electro oxidation process as a cathode at 1 V. Electrical repulsion was the key factor that mitigated GHM fouling in EMR. |
S1385894720308093 | Recently hierarchically porous materials have attracted considerable attention in the field of water treatment due to their enhanced adsorption performance including high adsorption capacity and fast adsorption rate . Herein a facile yet efficient dual template method to manufacture hierarchically porous chitin microspheres is reported . In the prepared method two templates play respective roles micron size CaCO | Hierarchically porous chitin microspheres HCM were prepared by a facile dual template method. The as obtained HCM shows improved specific surface area of 221.08m. The obtained glycinemodified GHCM shows excellent adsorption performances. |
S138589472030810X | Radioactive uranium discharged from terrestrial sources heterotrophic leaching has caused significant harm to the ecosystem and public health . Here we report an electrocoagulation method enhanced by ligand chelation for removing and recovering uranium from wastewater . The anode material and chelate were optimized for treating bulk uranium containing wastewater and the uranium precipitation mechanism and recycling method were comprehensively investigated . With the optimized Fe anode and Alizarin S as chelate uranium was removed efficiently within a short time to satisfy the emission regulation . After Alizarin S selectively captures the uranyl ions the formed chelation complex will compress and encapsulate the flocculation precursor minimizing its crystal growth and decreasing its interfacial charge to facilitate the precipitation . Uranium in the precipitated flocs was efficiently eluted with an oxidizing detergent and the yellowcake heavy uranium amide was obtained by subsequent digestion of organics and ammonia precipitation . The overall uranium recovery efficiency was as high as 89.71 . This proposed scheme may be used for practical uranium elimination and recovery from wastewater . | Uranium remove and recovery from uranium polluted wastewater was achieved. High purity yellow cake products was obtained. A full process was proposed and the corresponding mechanisms were explored. This scheme may be used for practical uranium remove and recovery from wastewater. |
S1385894720308111 | Rationally constructing the electrode with the hierarchical structure different components and the flexibility is a promising approach to further improve the electrochemical properties and meet the demand for flexible electronic devices . In this paper for the first time hafnium carbide nanowires HfC | The hierarchical free standing core shell NiCo. @HfC. CC was obtained. HfC. network was used as the superhighway for electron transport. NiCo. @HfC. CC exhibits excellent electrochemical properties. The hybrid supercapacitor shows good performance stability and flexibility. |
S1385894720308123 | Developing bio based absorbents with high removal capacity towards heavy metals is one of the key strategies to manage water pollution worldwide . Robust cellulose aerogel beads with high amine content were prepared by cross linking polyethylenimine to cellulose nanofibrils using 3 glycidyloxypropyl trimethoxysilane . The mass ratio between PEI and GPTMS crosslinking mechanism morphologies elemental compositions total amine contents mechanical strengths as well as the adsorption capacity and kinetic of the aerogel beads were investigated . Small CGP beads possessed several desirable characteristics such as high amine group content large maximum Cu adsorption capacity very fast adsorption rate high shape recovery robust mechanical strength and they could be regenerated and reused . | One pot synthesis of cross linked aerogel beads. Efficient adsorption of copper ions by the beads. Mechanical testing confirmed beads were robust. Aerogel beads could be regenerated and recycled. |
S1385894720308135 | Ever increased investigation has been focused on designing photocatalysts comprising intimately interfaced photo absorbers and co catalysts for promoting the separation of electron hole pairs and surface redox reaction . Herein we present a photocatalytic system in which the single site cobalt atom is firmly trapped and stabilized into the frameworks of porous crimped graphitic carbon nitride g C | A supramolecular anchoring strategy is reported to stabilize single atom dispersed cobalt. The. possess a negative Fermi level a high energy level of. band position. Single site Co atom facilitates the activation of N. on the surface of g C. Single site Co atom accelerates the interfacial charge transfer process on g C. The. shows improved photocatalytic H. evolution and N. fixation performances. |
S1385894720308147 | A novel biological graphene aerogel was fabricated by using bacteria in waste activated sludge as cross linker and ionic dye as surface charge modification reagent . Through rheological measurement and electron microscopy this AS BGA was confirmed an elastic porous structure with packing bacteria inside graphene oxide sheets . A variety of chemical elemental analysis demonstrated that GO was reduced by the bacteria to reduced graphene oxide alongside the gelation process . Further methylene blue methyl orange and Congo red were used to alter GOs surface charge owing to the electrostatic and stacking effect . Accordingly the surface electronic properties of the AS BGA prepared by the functionalized GO exhibited a consistent change i.e . electronegativity was enhanced by anionic MO and CR meanwhile neutralized by cationic MB . Thereby the adsorption capacity of the AS BGA with the optimal functionalization conditions through MO was increased 1.24 fold higher than the unfunctionalized one . Furthermore the raw material and energy consumption related to the synthesis of AS BGA was analyzed by the life cycle assessment method . This study points to the reuse of the excess bacteria and organic compounds to derive adsorbents for sustainable wastewater treatment by exploiting graphene materials in an exquisite way . | Aerogel was fabricated with GO and bacteria in activated sludge for the first time. Apply dye molecule for noncovalent modification on surface charge of precursor GO. The surface charge of bio aerogel made by modified GO was altered accordingly. Adsorption capacity of bio aerogel was tuned with surface charge alteration. Reusing waste sludge and dye to make aerogel for wastewater treatment is sustainable. |
S1385894720308214 | The performance of trichloroethene degradation was significantly improved with the addition of FeS in nanoscale calcium peroxide environment and the enhancement of HO | FeS significantly enhanced HO. generation and TCE degradation. The synergistic activation mechanism of Fe II FeS was investigated. HO. was the primary ROSs in nCP Fe II FeS system. Effective degradation of TCE in actual groundwater was achieved. |
S1385894720308226 | Deep eutectic solvents are generally used as attractive solvents or extractants rather than catalysts in the field of synthesis and separation . Herein dual Brnsted acidic DESs were prepared by mixing sulfonated quaternary ammonium and oxalic acid as extractants and catalysts for deep oxidative desulfurization . Compared to the DESs with single acidic group the dual acidic DESs exhibited much higher catalytic activity likely due to the synergistic effect . The | Dual Brnsted DESs were designed as extractants and catalysts for oxidative desulfurization. The reaction mechanism was studied in depth through experimental and theoretical method. Synergistic effect made the DES showed higher catalytic activity than other DESs. Decreasing viscosity of DES was verified as effective strategy to improve reaction rate. |
S1385894720308238 | This publication presents a simple and low cost hydrothermal humification treatment of sewage sludge together with alkali ash and biomass for simultaneous implementation of heavy metal removal nutrient recovery and ash refining . The H C and O C atomic ratio plots obtained from elemental analysis demonstrate that dehydration and decarboxylation under hydrothermal conditions are elemental reactions leading to sludge biomass decomposition and artificial humic matter formation . Introduction of plant biomass into sludge derived samples and adjustment of KOH or alkali ash mass effectively improve the recovery of P element realizing high contents of dissolved phosphorus at appropriate pH values . ICP AES results indicate the drop of Cr and Cd content below detection limit together with a sharp decrease of the elements Cu Zn and Pb after HTH treatment in sludge derived liquid products and the heavy metal elements enriched in sludge derived solids can be recovered into industrial salts by subsequent treatment . Pot planting experiments are conducted to investigate the P availability in both sludge derived liquids and solids for promotion of plant growth . A higher proportion of shoot to root weight 62.1 | A novel hydrothermal humification HTH was used for the treatment of wastewater sludge. HTH allowed the recycling of sludge with close to complete recovery of the valuable phosphate. HTH effectively reduced the environmental risk of heavy metals from sludge. Ternary biomass added to sludge change the extraction efficiency of P and K. The optimized process is an all waste strategy route for sludge valorization. |
S138589472030824X | Ferric arsenate is an important arsenic containing compound in the mining impacted environment and hydrometallurgical tailings especially in the disposal of smelting wastewater in nonferrous smelting industries . It acts as an intermediate for arsenic removal and immobilization in the disposal of arsenic containing wastewater . However amorphous ferric arsenate suffers from poor stability with a high arsenic leachability in the aqueous environment . In this study we develop a new strategy to remove and immobilize arsenic from copper smelting wastewater using copper slag through an | Copper slag efficiently remove arsenic from copper smelting wastewater. formation of stable FeAsO. @SiO. core shell precipitate using copper slag. An inherent arsenic disposal solution for copper smelting processes. |
S1385894720308251 | Superhydrophobic coatings simultaneously exhibiting high substrate binding mechanical robustness and damage healing properties are of great significance for practical applications . In this work an effective silicone based paint was developed to prepare superhydrophobic coating for the first time with the abovementioned properties . The paint is formulated with supramolecular silicone polymers and silica nanoparticles which can be sprayed on solid substrates and assembled into porous films with enhanced water repellency . The abundant hydrogen bonds and coordination bonds in the supramolecular silicone polymers provided additional substrate binding and damage healing properties . The coating can maintain water repellency upon a series of tests including tape peeling sandpaper abrasion and underwater placement . They can repeatedly heal chemical and topographical defects by simple thermal treatment due to the dynamic intermolecular crosslinking and chemical reorganization of the supramolecular polymers . Taking advantages of their high processibilty multifaceted robustness and inherent healing ability the developed superhydrophobic coatings hold great promise for applications in liquid transportation oil water separation anti icing and drag reduction . | The superhydrophobic coating has high substrate binding. The coating can resist mechanical damage without losing superhydrophobicity. Dynamic chemical bonds provide fast mehcnaical chemical damage healing property. The coating demonstrates high processibilty for directional water transportation. |
S1385894720308305 | In the present study we investigated the degradation kinetics and transformation pathways of two 5 halogenosalicylic acids namely 5 chlorosalicylic acid and 5 bromosalicylic acid by sulfate radical SO | Efficient removal of 5ClSA and 5BrSA was achieved by thermo activated persulfate. Phenoxyl radicals were identified as the key intermediates in the reaction process. Subsequent reactions of phenoxyl radicals included hydroxylation and coupling. Dissolved oxygen exhibited no effect on the degradation kinetics of 5XSA. |
S1385894720308317 | The lack of carbon source in the denitrification process with low C N wastewater is the main factor limiting the denitrification efficiency in constructed wetlands . However the traditional method of adding liquid carbon source is often costly and facing the risk of secondary pollution . This study attempted to solve this problem by adding woodchips sustained release carbon sources as part of the substrate together with the dewatered alum sludge as the main wetland substrate to the baffle subsurface flow constructed wetland . The effects of woodchips on denitrification capacity effluent COD and nitrogen transfer and transformation were studied . Results showed that the removal rates of ammonia nitrogen NH | Woodchips substrates supplement the carbon source for denitrification. The COD release rate and sustainability of woodchips are variable. Woodchips reduced the ORP of CW enhancing the denitrification of annamox. The combined substrates realized the simultaneous denitrification and dephosphorization. |
S1385894720308329 | Recently removal of trace hazardous organic contaminants in the water is still a challenge work and attracting a growing number of concerning . Herein a photo responsive cellulose based intelligent imprinted material was fabricated through SI ATRP and employed for the selective adsorption of a typical pesticide residue 2 4 dichlorophenoxyacetic acid . The characterization results showed that the obtained PR Cell MIP displayed 2 D petal like laminar sheet and owned ample functional groups such as N N COCl and COOH . The photo responsive tests confirmed the excellent photo isomerization property of PR Cell MIP leading to a satisfactory regeneration during the 2 4 D adsorption . Batch adsorption experiments demonstrated that the 2 4 D adsorption followed Frendlich adsorption isotherm . Meanwhile the higher equilibrium template bindings lower specific binding constant K | Cellulose based imprinted photo regulated adsorbent PR Cell MIP was designed. Photo responsive mechanism was discussed with multi dimension. The specific recognition properties towards typical contaminant were studied. PR Cell MIP displayed durable reversibility of binding ability under clean light. |
S1385894720308330 | Biochar was added into constructed wetlands as an amendment to the main substrate for improving the removal efficiency of pollutants and mitigating greenhouse gas emissions . Four types of mesocosm scale CWs i.e . unamended subsurface batch CWs and surface batch CWs and biochar amended SSBCWs and SBCWs were established in this study . The SSBCWs outperformed SBCWs in both removing pollutants particularly COD NO | SSBCWs outperformed SBCWs in removing pollutants and abating GHG emissions. Biochar decreased N. O but increased CH. fluxes in both configurations of CWs. The lowest GWP was observed in biochar amended SSBCWs. Biochar addition increased the. Z abundance and the ratio of. Z. S. K . |
S1385894720308342 | Colloidal nanocrystals can offer exquisite control of physical and chemical properties for technological applications by tuning their sizes shapes and crystal forms . Herein a convenient phase transfer route was presented to controllably prepare transparent dispersions of monodispersed ZrO | Monodisperse ZrO. nanocrystals were controllably prepared by a phase transfer route. The as prepared ZrO. nanocrystals have tunable shapes crystal forms and sizes. DFT calculation was used to study the root causes of underpinning growth mechanisms. Fluorescent monodispersed ZrO. Yb. Er. nanocrystals could be similarly prepared. |
S1385894720308354 | Considering the low recyclability of powder adsorbents an efficient method is needed to fabricate a novel three dimensional adsorbents . Take advantage of the 3D iron network and admirable adsorption performance of the Fe based metal organic framework a solvothermal method was used to in situ growing a series of Fe based MOFs MIL 100 and MIL 101 onto the iron network . The successful growing of MILs on the iron network was verified by optical microscopy SEM XRD FT IR and XPS characterizations . As expected the 3D MILs inherited the high adsorption capacity of powdery MILs while excellent recycling performance was obtained . Among them Fe MIL 100 exhibited the highest performance towards tetracycline more than 95 of TC could be removed at fifth adsorption cycle . Mechanism indicated that the and hydrogen bonding interactions between Fe MIL 100 and TC molecules played an essential role in the adsorption process . Besides the Fe MIL 100 adsorbent was stable in water with negligible iron leaching in solution . It is worth noting that Fe MIL 100 kept a high adsorption performance towards TC in a wide pH range of 210 and suffered minor influence from the anion and humic acid in solution . Even in actual aqueous solution high performance was presented by the Fe MIL 100 adsorbent . This work provided a new method to synthesis 3D MILs adsorbents for wastewater remediation . | A solvothermal method was used to in situ growing a series MILs onto the iron network. The 3D Fe MILs showed high adsorption capacity and excellent recovery ability towards TC. The growth process of MILs on iron network was discussed. The adsorption mechanism of Fe MIL 100 Fe was investigated. The Fe MIL 100 Fe system exhibited high removal efficiency in actual water. |
S1385894720308366 | Rational development of high performance and cost effective electrocatalysts for the oxygen evolution reaction is of particular importance for renewable energy conversion and storage technologies . Herein we developed a facile and easily scalable hard template strategy to fabricate hierarchical Ni Ni | Hierarchical Ni Ni. Mo. is synthesized by a facile and scalable hard template route. Ni Ni. Mo. N nanosheets show unique interfaces nanostructure. The obtained composite exhibits superior OER performance. DFT calculations further reveal the synergy effect of the Ni Ni. Mo |
S1385894720308378 | Ni rich layered oxides are potential cathode candidates materials for Li ion batteries due to their low cost and high energy density . However it is difficult to reproducibly prepare uniformly distributed element and well controlled morphology of Ni rich layered oxide particles . This study develops a continuous microfluidic reaction process to synthesize spherical carbonate precursors Ni | NCM 622 cathode material was synthesized via a facile microfluidic reactor. The material has well developed layered structure excellent elemental distribution small size and uniform particles. The structural stability and cycling performance of the cathode was improved. |
S1385894720308391 | The uncontrollable dendrite formation and infinite volume expansion bring serious safety risks and short service life to high energy lithium metal batteries . Here by introducing oxygen as a type of SnO | Introducing oxygen into Sn and carbon paper composite framework improves the wettability to molten Li. The formed Li Sn alloy has outstanding Lithiophilicity and Li. O can homogenize Li. flux. The prepared electrode can operate without dendrite growth or volume expansion. Ultra low voltage hysteresis 16mV is enabled for 800h in symmetric cells. |
S1385894720308408 | Electrocatalytic overall water splitting is always holding great promise in renewable energy field . It is crucial to fabricate low cost earth abundant and robust bi functional electrocatalysts for both hydrogen evolution and oxygen evolution reactions . Herein we report a polyoxometalates based molecular approach to construct Co promoting MoS | Well defined Evans Showell type POMs were firstly used to fabricate efficient electrocatalysts. POMs act as pre assembling molecular platform for modulating CoMoS active sites at atomic level. Co. Mo. None. shows excellent HER OER and overall water splitting catalytic performance. The synergistic catalytic mechanisms are revealed by coupling experiments with DFT simulations. |
S138589472030841X | In this work ultrasound assisted zero valent iron activated peroxymonosulfate oxidation was used to improve the dewaterability of aerobically digested sludge . Capillary suction time reduction centrifuged weight reduction and water content of sludge cake were determined to evaluate AeDS dewaterability . The results showed that the optimal reaction time PMS dosage ZVI dosage and US power were 20min 50mg g total solids 100mg g TS and 50W respectively . Under the optimum conditions CST reduction Wc and CWR were 89.2 67.9 and 40.4 respectively . The quenching experiments showed that sulfate radical was the dominant radical species in the US ZVI PMS system while hydroxyl radical in the ZVI PMS system . Compared to ZVI PMS treatment US ZVI PMS treatment was more conducive to improve sludge dewaterability suggesting that US assistance destructed the passive film of ZVI and accelerated its corrosion consequently resulting in more production of sulfate radical . The significant degradation of tightly bound extracellular polymeric substances of AeDS after US ZVI PMS treatment led to the releases of EPS bound water and even the intracellular water consequently improving AeDS dewaterability . Additionally US ZVI PMS treatment presented the advantages of sludge disintegration and charge neutralization . The ZVI cycle tests demonstrated that the reusability and stability of the recovered ZVI in the US ZVI PMS system were desirable leading to the cost savings . | US ZVI PMS improved effectively the dewaterability of aerobically digested sludge. Reaction time ZVI and PMS dosages and US power were optimized. US and ZVI had a synergetic impact on PMS activation in the US ZVI PMS system. The release of EPS bound water resulted in the enhanced dewaterability. The recovered ZVI reusability was desirable and US ZVI PMS is economically favorable. |
S1385894720308433 | This study compared the removal and mineralization of nitrobenzene by electrolysis using granular activated carbon as three dimensional electrodes ozonation and the combination of electrolysis GAC and ozone E GAC O | Combining electrolysis O. and GAC achieves a remarkable synergy for nitrobenzene NB removal. Reactive oxidative species ROS were probed and. OH generation paths were quantitatively analyzed in E GAC O. GAC in E GAC O. possesses a stable catalytic activity even after reusing for 50 times. The E GAC O. process can protect the properties of GAC from oxidative destroy of ozone and ROS. Replenishing of free electrons from both cathode and inside of GAC is critical for GAC stability. |
S1385894720308445 | This study investigates the degradation of an antibiotic ciprofloxacin by the photocatalytic sonocatalytic and sonophotocatalytic oxidation inside a novel multi frequency reactor under low ultrasonic frequencies and visible light using N doped TiO | N TiO. nanoparticles were used as catalyst for photo sono and sonophotocatalysis. A novel multifrequency hexagonal reactor was designed for the studies. Sonophotocatalysis had a synergy index of 1.22. Effect of real wastewater matrix on the degradation efficiency was studied. Degradation products were identified and degradation pathways are proposed. |
S1385894720308469 | The human skin tissues were full of elastic collagen networks to keep water mechanical strength and capture tactile signals . Learn from this it is highly desired to use natural biomaterials especially protein host materials to prepare artificial skin with excellent mechanical property highly transparent and multi sensing . In this work we first demonstrate a natural silk fibroin membrane based artificial skin enhanced by cellulose nanocrystals . CNCs here acted as cross linked sites to contribute to dynamic network formation in SF membrane through intermolecular hydrogen bonding interaction . The inner structure transparency thermal stability mechanical properties and possible sensing mechanism of SF CNCs membranes were carefully investigated as a function of varied CNCs contents . The results indicated that the optimized Youngs modulus of SF CNCs membrane with 15wt CNCs greatly increased to 960MPa while the transparency still reached up to 90 . More importantly the SF CNCs membranes showed excellent multiple sensing of small tactile signals and low concentration of ethanol gas resulting from the dynamic reversible network between CNCs and SF molecular chains . Such versatile and robust SF CNCs membranes will be very potential in artificial skin used in special place such as chemical plants . | Natural silk protein fiber membrane based artificial skin and CNCs were successfully prepared. SF 15 CNCs membrane can withstand 10 000 times its own weight and keep transparency of 90. SF CNCs membranes showed excellent multi sensing of small tactile signals and ethanol gas. Possible sensing mechanism of versatile and robust SF CNCs membranes has been provided. |
S1385894720308470 | Biochar has emerged as a new class of biomass derived functional materials that can be obtained using a plethora of thermochemical conversion techniques . Biochar based environmental catalysts have potential applications toward a positive planet level impact . Here recent observations in the activated conversions of emerging contaminants are reviewed highlighting the most influential advancements including metal free processes . The status quo of the underlying interaction mechanisms are summarized revealing the active functional moieties persistent free radicals graphitic degree and electron transfer capacity collectively and synergistically regulate the catalytic potency . These remarkable features convey biochars high activity and flexibility into viable chemo redox photo bio sono and electrocatalysis . Advanced coupling processes and some perspectives on future possibilities are proposed at the end . | BC could be facilely tuned to show photo electro sono bioredox activity. BC could catalyze the degradation and mineralization of persistent emerging pollutants. BC could replace traditional metals in selected environmental remediation processes. Effects of charge transfer hierarchical porosity and redox potential are elucidated. The future of metal free BC based environmental catalysis is bright. |
S1385894720308482 | In situ chemical oxidation can be used to remediate soils contaminated with polycyclic aromatic hydrocarbons . However typical oxidation systems are limited by the acidic environment needed for Fenton reactions cost and soil effects of activated persulfate and large pores required for ozone or selected oxidation by permanganate . Chlorine dioxide ClO | The study investigates the removal of PAHs in contaminated soil using ClO. Increasing the ClO. concentration increases the PAH degradation rate. The removal of PAHs was significantly decreased at higher soil pH values pH 7 . Oxygenation ring rupture and Cl substitution products of PAHs were obtained. Mechanism involves direct oxidation by ClO. and indirect oxidation by HOCl and. OH. |
S1385894720308494 | A double dielectric barrier discharge plasma reactor was used for the remediation of simulated contaminated soil by a mixture of two three and four rings PAHs i.e . naphthalene phenanthrene and pyrene . Various influencing parameters such as peak to peak applied voltage soil moisture oxygen to nitrogen ratio O | DDBD plasma was proved to remediate PAHs mixture contaminated soil. Influential parameters of DDBD plasma for PAHs mixture remediation was evaluated. Optimum level of soil moisture content enhances PAHs remediation. High oxygen content in DDBD plasma effectively removed PAHs contaminated soil. |
S1385894720308512 | To improve the removal of pharmaceutical and personal care products from contaminated water a novel electrolysis integrated tidal flow constructed wetland system was developed . E TFCWs have the highest removal efficiency for the four investigated PPCPs when the electrodes are arranged at the bottom of the E TFCWs . The removal efficiency of four PPCPs increases from 4.41 to 11.71 to 28.83 68.32 when using electrolysis combined with tidal flow constructed wetlands . The synergy effect for the degradation of PPCPs between electrolysis and constructed wetlands on the degradation of PPCPs in E TFCWs were significant while the removal efficiency of PPCPs after the electrolysis is higher than that before electrolysis and electrolysis process accounting for 42.81 68.47 . Electrolysis can enhance the removal of PPCPs through direct oxidation . Moreover the increase in intermediate oxidation compounds in the E TFCWs may imply the enhanced biodegradability of PPCPs during the electrolysis process since the by products of PPCPs were identified . The contents of | Electrolysis combined with constructed wetlands can promote the removal of PPCPs. Electrolysis process accounts for 42.8168.47 in the degradation of PPCPs in TFCWs. Electrode arrangement plays an important role on PPCPs degradation. Electrolysis has effect on the microbial community contributed to the PPCPs removal. |
S1385894720308524 | Hydrophobic zeolites have been considered as one of the most promising adsorbents for capturing volatile organic compounds . In this contribution hierarchically structured ZSM 5 SBA 15 composites with different morphologies including platelet hexagonal prism long hexagonal prism and long rod were prepared . All materials were characterized using XRD SEM and TEM EDX which confirmed that the high dispersion of two zeolites within the composites . Due to the presence of intracrystalline mesopores that could shorten the diffusion pathway of toluene the composites resulted in increased effective diffusion and higher adsorption capacity . The composites also possess higher hydrophobicity leading to much better toluene adsorption performance under humid conditions . The water contact angle of ZSM 5 could be increased from 15.6 to 44.9 by forming well dispersed zeolite composites . The | Hierarchically structured ZSM 5 SBA 15 with different morphologies were prepared. Multi pores shortened diffusion pathway and increased toluene adsorption capacity. The composites possess stronger hydrophobicity due to higher amount of Q. groups. The composites breakthrough time were increased by 2.54.6 times compared with ZSM 5. ZSM 5 SBA 15 hexagonal prism exhibited the best adsorption performance of toluene. |
S1385894720308536 | A large predicted increase in population growth and dwindling phosphate resources has led to sewage sludge being an attractive alternative to commercial fertilisers . Among other contaminants heavy metals are a barrier to unrestricted use of sewage sludge or sewage sludge ash as a phosphate source . This study will focus on the equilibrium isotherm behaviours of Cu | Copper undergoes homogeneous ion exchange binding to both MTS9301 and C107E. Iron II extraction was the lowest of all measured and modelled extraction values. Lead displays the most heterogeneous binding with respect to C107E with low binding energies. C107E was ineffective for the extraction of zinc from within acetate media. |
S1385894720308561 | Urban wastewater treatment plants are among the major sources of contaminants of emerging concern release to surface water . This is mainly associated with the low performance of conventional technologies for the removal of residual amounts ng L | Light induced chemical catalytic technologies for effective removal of CECs. Overview of advances to overcome limitations in light induced technologies. Review on systems with enhanced macromixing dynamics. Review on reactors designs with a high illuminated catalyst surface area. Reports on advances in illumination systems. |
S1385894720308585 | This work deals with the degradation of three emerging contaminants in water under simulated solar light using different catalysts of TiO | TiO. AC heterostructures were prepared by different synthesis methods. Microwave assisted heterostructure was the most photoactive. Ibuprofen was the most easily removed. Degradation pathways for acetaminophen ibuprofen and antipyrine were proposed. In pharmaceuticals mixture the highest and fastest mineralization occurred at pH 7. |
S1385894720308603 | In this study highly crystalline mesoporous small sized stable and efficient nitrogen doped Ceria nanoparticles were synthesized using deep eutectic solvent and used for the photocatalytic degradation of sulfamethaxazole a widely used human medication and emerging water contaminant . The N doped Ceria resulted in 96 removal of SMX versus 59 by Ceria under solar irradiation at 150min time using | Deep eutectic solvent and nitrogen doping enhanced stability and efficiency of Ceria. Removal of sulfamethaxazole was inhibited in the presence of h. and. OH scavengers. Second order rate constant of sulfamethaxazole with. OH was calculated. Degradation pathways were established and estimated toxicities of SMX and its DPs. Ceria NPs were highly active against Gram positive and Gram negative bacteria. |
S1385894720308615 | The balance between the electrical performance and quenching suppression is crucial to develop the efficient host materials for full thermally activated delayed fluorescence white organic light emitting diodes . In this work through introducing one bulky diphenylphosphine oxide group at 4 position of each xanthene ring in a symmetrical and orthogonal spirobi skeleton 9 9 spirobi 4 4 diylbis | A spiro host with local asymmetry for blue and white TADF OLED. Intermolecular interactions are optimized for optoelectronic improvement. The full TADF white OLED achieved the state of the art performance. |
S1385894720308627 | There has been substantial recent interest with respect to the broad potential applications of superomniphobic surfaces but it remains enormously challenging to enhance the dynamic stability of such surfaces impacted by high pressured droplets . Herein a robust superomniphobic surface with dual scale re entrant structures has been designed and fabricated through a facile combination of magnetic particle assisted self assembly and a dip coating technique . Compared to superomniphobic surfaces with single scale re entrant structures this superomniphobic surface with DRSs shows highly improved repellency against the impact from different high pressured droplets a property which is furnished by the extension of three phase contact lines the increase in local geometric angles and the formation of additional air pockets . Furthermore the superomniphobic surface can serve as a platform to well maintain lubricating fluid so as to realize a photoresponsive slippery surface wherein near infrared light can be used to manipulate various liquid droplets with a large range of volumes . Overall this study provides a strategy for obtaining the robust superomniphobic and photoresponsive slippery surfaces through the DRS design which provides a new insight into enhancing the dynamic stability of superomniphobic surfaces and also demonstrates the application of slippery surfaces for droplet manipulation . | A dual scale re entrant structure is designed and fabricated for superomniphobic and photoresponsive slippery surfaces. The superomniphobic surface shows high dynamic stability when impacted by various high pressured droplets. The slippery surfaces demonstrate efficient transport for large volume water and oil droplets. |
S1385894720308639 | Radiotherapy is usually accompanied by side effects to healthy tissue and radiation resistance of tumor cells in clinical application . Therefore how to enhance radiation effect and reduce radiation resistance is the key problem to enhance radiotherapy efficacy . In recent years the development of nanomaterials with radiation catalysis function has provided us with opportunities . Here we report a radiocatalytic platform using inorganic semiconductor nanoheterojunctions WO | WO. @Ag. WO. @CS with high Z elements can deposit a large amount of radiation dose. Heterostructure promotes charge separation and improves catalytic efficiency. This nanoradiosensitizer has good dispersibility and biocompatibility. Consumption of intracellular GSH and reduction of intracellular ROS consumption. |
S1385894720308640 | With the development of 3D printing technology photo curable resin can be used to fabricate bulk objects . However photo curable epoxy resin used in 3D printers are commonly considered as a stiff material which is fragile . In this study a molecular designed core shell particles comprising epoxide groups are prepared to improve the toughness and interlayer bonding of stereolithography resin . Results show that the tensile strength of SLR increases up to 57.2 with the addition of 5 w w CSP and the elongation at break increases up to 1303.6 with the addition of 7 w w CSP . Moreover the introduction of CSP reduces the anisotropy in tensile strength of fabricated workpieces from 42.1 to 0.3 . This novel SLR CSP nanocomposite would expand the scope of application of 3D printing photo curable resin to industrial workpieces with the requirements of stiff toughness mechanical isotropy and thermal resistance rather than being limited in the field of model design and prototyping . | The novel core shell nanoparticles are synthesized to prepare nanocomposites. The comprehensive mechanical properties are improved especially toughness. The nanocomposites possess similar mechanical properties like ABS. The temperature resistance and the rigidity of the resin are maintained. The anisotropy in tensile strength of fabricated workpieces is reduced. |
S1385894720308652 | It will be interesting and yet challenging to develop a near infrared laser trigger phototheranostics agent for multimodal imaging guided synergistic phototherapy . In addition the mechanisms of phototheranostics agent or in combination with NIR for tumor therapy remain unclear . Herein we fabricate porous Co | The pCo. NPs are fabricated using a hydrothermal process followed by calcination treatment. The pCo. NPs have a potential to be MR PA imaging agents. The pCo. NPs demonstrate synergistic photothermal photodynamic therapy of tumor without obvious side effects. The pCo. NPs can suppress tumor metastasis via inhibiting EMT pathway. The pCo. NPs NIR can kill tumor cells via inducing DNA damage. |
S1385894720308664 | Protein plays an important role in the maintenance of osmotic pressure and binding and transportation of nutrients to cells which is essential for the rapid regeneration of bone tissues . Bovine serum albumin is the most abundant plasma protein in the body . Here theBSA based hydrogel was first developed through the thiolated bovine serum albumin employing the robust and reversible SAg coordination which owns injectable self healing and antibacterial properties for the treatment of bone defect regeneration . First the BSA was treated with Traut s reagent to replace the primary amine groups of the lysine residue in its primary structure with thiol groups . Then the thiolated BSA was added with silver nitrate to be crosslinked . SAg coordination took place immediately when sBSA and silver were mixed and a shear thinning hydrogel was thus produced . By adjusting the proportion of BSA the mechanical properties of the hydrogels can be adjusted . Moreover this novel protein based hydrogel is bio degradable and can slowly release silver ions to generate an antibacterial effect for | Multifunction protein based hydrogel with injectable self healing and antibacterial properties. Ag element acted as a cross linking agent and biological activity. Achieving high capacity loading of the cells into protein based hydrogel. Combined antibacterial activity and tissue regeneration ability. |
S1385894720308676 | Sulfidized nanoscale zerovalent iron has been reported to be highly reactive towards lots of contaminants . However the effects of surface chemistry evolution and hydrophobicity on its reactivity and selectivity towards the reduction of different functional groups on contaminants are unclear . Here the reactivity and electron selectivity of aged nZVI and S nZVI in water for the denitration of chloramphenicol and dechlorination of florfenicol were investigated . The reactivity of nZVI for the denitration of CAP was greatly inhibited after sulfidation and the | Sulfidation changed the surface chemistry hydrophobicity and reactivity of nZVI. Surface S Fe and hydrophobicity of S nZVI were correlated to its reactivity. Sulfidation improved the anti aging property of nZVI in water. nZVI maintained high electron efficiency for denitration after aging in water. S nZVI maintained high electron efficiency for dechlorination after aging in water. |
S1385894720308688 | Low cost and large scale fabrication of high efficiency near infrared photocatalysts are especially promising for the degradation of organic pollutants . Herein a facile in situ etching method by growing BiOCl nanosheets on self crystallized upconversion SrO Bi | An innovative self crystallized upconversion luminescence SBBO GC is studied. GC15 obtains from facile in situ etching method that possess core shell structure. The MO degradation rate of GC15 is 79 under NIR irradiation for 90min. GC15 can be easily regenerated and high photocatalytic activity will be maintained. The NIR GC photocatalyst is suitable for large scale production. |
S1385894720308706 | Ceramic capacitors have optimistic application prospects in the field of high power density energy storage . However most of the investigations have sought to increase energy storage density | The BNTBTL 10KNT ceramic exhibits a high. of 92.9 . An ultra high. of 2.1J cm. is achieved in the BNTBTL 10KNT ceramic. The KNT doped BNT. 0.10 shows excellent thermal frequency stability. The present strategy of adjusting. is an effective approach. |
S1385894720308718 | Herein we have successfully fabricated NiVS NiCuP nanostructures on Cu wire as a fiber electrode for high performance FSMSCs applications . The 3D NiCuP dendritic film was firstly deposited on Cu wire through the electrodeposition method which not only act as a scaffold for deposition of the electroactive materials but also served as a micro porous current collector supplied extra capacitances . Then NiV LDH nanosheets grown on 3D NiCuP film were obtained using a hydrothermal method . The sulfidation of NiV LDH is carried out through an ion exchange reaction of OH | NiCu phosphide dendritic film is fabricated on Cu wire by electrodeposition method. 3D porous film provides high surface area to grow more electroactive materials. NiV sulfide nanostructures are grown on the dendritic film of NiCu phosphide. The prepared nanostructures showed outstanding performance e.g. specific capacitance rate capability and cycle stability. The solid state ASC micro device exhibits a high energy density with excellent flexibility. |
S138589472030872X | Kinetic modelling of methanol synthesis over commercial catalysts is of high importance for reactor and process design . Literature kinetic models were implemented and systematically discussed against a newly developed kinetic model based on published kinetic data . Deviations in the sensitivities of the kinetic models were explained by means of the experimentally covered parameter range . The simulation results proved that an extrapolation of the working range of the kinetic models can lead towards significant simulation errors especially with regard to pressure stoichiometric number and CO CO | A new kinetic parameter set for a commercial state of the art catalyst is presented. The kinetic model presented shows a high accuracy towards the measured data. Comparison to literature models proves the plausibility of the model. A sensitivity analysis shows the impact of the kinetic model towards reactor design. For kinetic measurements in the context of PtM high CO. contents must be considered. |
S1385894720308731 | An integrated high purity hydrogen generation process short cut chemical looping hydrogen generation was proposed in this study . Iron dust of the steel industry as the feedstock of iron based material was employed as the oxygen carrier . This study used second metallurgy reduced iron and analytical reduced iron to validate the feasibility of oxidation performance with air and steam at different reaction temperatures . To obtain the fundamental data thermogravimetric analyzer and packed bed reactor had been used . Due to the difference in carbon composition and trace metal in the second metallurgy reduced iron the reaction behaved completely different under different experiment conditions especially at different converting temperatures . According to the apparent solid conversion and outlet gas concentration profiles the oxidized reaction with air and steam would be divided into two stages kinetically controlled regime and product diffusion regime . Besides the purity of hydrogen produced by second metallurgy reduced iron and analytical reduced iron could reach 99.2 and 99.9 respectively . Overall compared to analytical reduced iron using second metallurgy reduced iron provides a link between the waste recycling in steel industry to generate hydrogen with chemical looping concepts in the industrial level . | Second metallurgy reduced iron was used as the reactant for H. generation. The effect of carbon and trace metal in iron particle on H. generation was studied. A short cut chemical looping system is effective for high purity H |
S1385894720308743 | Supercapacitors have emerged as appealing alternatives to rechargeable energy storage devices in renewable energy generation and storage systems due to their ultra high power characteristics . However their broad applications are hindered by their low energy density characteristic . Therefore the designs of electrodes with high rate and high specific capacitance and electrolytes with wide potential window are extremely crucial . A novel coreshell heterostructure TiNb | TiNb. @MoS. C with a capacity of 531.5mAh g was hydrothermally synthesized. This nanohybrid shows a good rate capability and an outstanding cycling stability. Asymmetric supercapacitor has a high energy density and an ultralong cyclability. An ionogel electrolyte assures the asymmetric device to work at a potential of 4V. |
S1385894720308755 | In this study three fluoro containing ferrocene compounds with different fluorine and Fc contents were prepared and then be coated on the surface of nanoaluminum to increase the combustion performance of nAl and the anti migration performance of Fc . By removing the aluminium oxide Al | Three types of Fc Fx were prepared and then be coated on the surface of nAl by Al F bond. Ignition delay time was shortened from 1.83s to 1.03s with. nanocomposite. lowered the high temperature decomposition peak from 404C to 328C. The reduced migration distance of. enhanced the combustion performance of propellant. |
S1385894720308767 | Polyether especially poly has attracted extensive attention in polymer electrolytes since 1973 due to the superior coordination ability with alkali metal ions . However the ionic conductivity of linear polyether is suppressed by the inherent effortless crystallizability . Here we synthesized hyperbranched polyether for composite polymer electrolytes with an ionic conductivity of 5.710 | Copolyether PMH9 is synthesized via cationic ring opening polymerization. Hyperbranched pendants break the ordered arrangement of linear polyether. Plasticizing effect of TFSI. anion on polyether is revealed. Composite polymer electrolyte shows a high ionic conductivity at room temperature. All solid state polymer Na battery exhibits good cycling stability. |
S1385894720308780 | With emerging flexible substrates perovskite solar cells have entered into a new stage of development toward flexibility portability and miniaturization . However this promising landscape is hindered by the necessity the high temperature processes . In this study a highly efficient stable and flexible planar perovskite solar cell is fabricated using an all room temperature pathway . First a nanocrystalline SnO | Flexible solar cells with of 17.38 were fabricated at room temperature. Ultrasonic vibration was realized for both electron transport and active layers. Surface energy was responsible for room temperature sintering within 5min. Large grain size perovskite layer was prepared free of the thermal annealing. |
S1385894720308792 | Bacteria infected wounds and antibiotics abuse have become significant burdens to patients and medical systems . Thus designing a non antibiotic dependent multifunctional wound dressing for treating bacteria infected wounds is urgently desired . Herein a series of conductive self healing and adhesive nanocomposite hydrogels with a remarkable photothermal antibacterial property based on N carboxyethyl chitosan and benzaldehyde terminated Pluronic F127 carbon nanotubes were developed and their great potential as agents for photothermal therapy of infected wounds was demonstrated | A series of conductive adhesive self healing nanocomposite hydrogels were synthesized. These hydrogels showed remarkable. photothermal antibacterial property. The hydrogels exhibited good hemostatic property and biodegradability. The hydrogels showed excellent treatment effect for infected wound via photothermal therapy. |
S1385894720308809 | Currently advanced security strategies have aroused widely interest in anti counterfeiting field to ensure the authentic items difficult to be replicated . Herein cubic Cs | Cs. LnF. nanocomposites have been fabricated via an in situ glass crystallization strategy. Yb Er Cs. LuF. yields a maximal upconversion efficiency of 0.30 . Er Cs. YbF. exhibits a remarkable laser induced photothermal effect. The stability of Cs. LnF. NCs is remarkably improved owing to effective glass protection. Upconversion photothermal anticounterfeit based on these nanocomposites is demonstrated. |
S1385894720308834 | A multiscale model including scales at the surface grain and particle was developed to understand the steam enhancement mechanism on the carbonation of CaO particle . The interaction of H | A multiscale model describing steam enhancement effect on carbonation was developed. O dissociation on grain surface enhanced O. and CO. ions diffusion through product layer. The fraction of. increases greatly when a small fraction of steam is present. The negligible steam effect on reaction at high temperature is due to pore plugging. |
S1385894720308846 | Permanganate based ISCO has been commonly utilized to remediate chlorinated ethenes DNAPLs but the treatment is seriously hindered by the formation of MnO | Organic chelators have low compatibility with permanganate. Polyphosphate based chelators are more compatible with permanganate. Pyrophosphoric acid stabilized Mn III and proactively retarded MnO. precipitation. Stabilization of Mn III significantly improved permanganate delivery. Oxidation efficiency of trichlorethene liquid was substantially increased. |
S1385894720308858 | Lanthanide based supramolecular hydrogels are a new category of smart optical materials which are promising for applications in chemistry sensors bioimaging agents and light emitting devices . Herein we report a supramolecular hydrogel with tunable and responsive luminescence which is based on the assembly of Ln and deoxyguanosine . ESI TOF MS NMR FTIR PXRD and simulation results verify the formation of dG Ln hydrogels . dG Tb hydrogel emits strong green luminescence while dG Eu hydrogel is nonluminous when Tb is co doped into dG Eu surprisingly we find that co doped dG Tb Eu hydrogel displays tunable luminescence from green orange to red by simply regulating the stoichiometric ratio of Tb and Eu . A cascade luminescence resonance energy transfer mechanism is proposed in this co doped system which is confirmed by luminescence decay curves and emission spectra . Subsequently luminescence switch is designed based on reversible responsiveness of hydrogel upon Ag | Supramolecular hydrogel was prepared by using dG and co doped Ln complex. Obtained hydrogel exhibited highly tunable and responsive luminescence. Efficient luminescent energy transfer was realized based on dG Ln gel network. This work offered a novel route to construct smart optical materials. |
S138589472030886X | Biomimetic scaffolds have been a growing demand in bone tissue engineering . Owing to the performance shortcomings of single natural or synthetic polymer nano hydroxyapatite reinforced hybrid scaffolds loading with icariin were biomimetically fabricated by emulsion template method combining organic inorganic hybrid technology . The scaffold successfully combined insoluble polymers between water soluble carboxymethyl chitosan and oil soluble poly . In vitro physicochemical properties and cytocompatibility showed that the scaffolds with similar topological structure to the nature bone and the incorporation of nHAP and icariin not only improved the mechanical properties and in vitro bioactivity but also accelerated the repair of the damaged bone tissue . In vivo osteogenesis showed good biocompatibility with the scaffolds especially the 3.0wt nHAP CMCS PLGA scaffold and icariin loaded 3.0wt nHAP CMCS PLGA scaffold they effectively promoted the adhesion proliferation and differentiation of the osteoblast . In conclusion the icariin loaded nHAP CMCS PLGA scaffolds fabricated by emulsion template and organic inorganic hybrid technology holds great potential and provides a unique strategy for bone repair and regeneration . | Icariin loaded nHAP CMCS PLGA scaffolds were biomimetically prepared. Scaffolds were fabricated by emulsion template method with hybrid technology. The nHAP and icariin improved the mechanical properties and bioactivity. Hybrid scaffold posed distinguished bioactivity and accelerated the bone repair. |
S1385894720308871 | The preparation of dynamic networks from lignin with multipurpose and multifunctional practical applications is highly desirable but still challenging . In this study the combination of a grafting from reversible addition fragmentation chain transfer polymerization and dynamic chemistry was utilized to synthesize lignin based dynamic networks . Vanillin a derived chemical from lignin was used as a building block to realize the structural reorganization of lignin | Lignin based dynamic networks were synthesized. RAFT polymerization. Renewable monomers were used to realize the grafting polymerization. Dynamic networks were recyclable and exhibit an UV adsorption property. Star structures enable the adhesive with milder self healing conditions. Antifungal property was observed for Schiff base network. |
S1385894720308883 | In order to fully exploit the potential of Cu based Fenton systems Ce was utilized to modify the Cu based catalysts through one pot synthesis . A typical antifungal drug fluconazole was selected as the target pollutant to evaluate the reactivity of as synthetic Cu Ce bimetallic catalysts . Evaluation test results indicated Ce | Ce was used to enhance the surface characteristics of Cu based materials. Cu Ce bimetallic catalyst showed much higher reactivity for FLC degradation. The relationship between catalyst activity and structure was investigated in detail. Mechanism of Cu Ce composite catalyzed Fenton reaction is proposed. |
S1385894720308895 | Epidermal sensors via self adhesive hydrogels offer great promise for the motion detection health monitoring and disease diagnosis . However the self adhesion of recent hydrogel sensors trends to be inefficient for the wet oily and sweaty skin of human . Besides it is also enormously challengeable to construct a robust adhesion system in both oil and water . Herein a facile approach is presented to fabricate DNA inspired anti freezing tough and wet adhesive hydrogels assisted by nucleobase pairs . The hydrogels simultaneously demonstrate robust adhesion for various substrates and non swelling behavior in the water and oil as well as remarkable mechanical stability and adhesive behavior in a harsh environmental temperature from 20C to 80C . Furthermore a hydrogel epidermal sensor is successfully fabricated and can effectively adhere to the wet skin of human for monitoring various human motions including speaking nodding and various joint bending . The multiple advantageous features would endow DNA inspired hydrogels with considerable potential in promising applications in multiple solvents such as flexible electronic devices battery adhesives soft robots . | DNA inspired tough hydrogels exhibit a robust adhesion in the water and oil. Hydrogels exhibit non swelling in the oil and water. Hydrogels exhibit a promising anti freezing behavior. Hydrogels are fabricated as a sweaty skin sensor. |
S1385894720308901 | The degradation characteristics of four typical structures of lactam antibiotics were studied during the synergistic oxidation mechanism of persulfate and mesoporous g C | The MCN PS synergistic action on the lactam antibiotics degradation is proposed. SUL exhibits a peak degradation rate at pH 4 during the MCN PMS oxidation. A novel pH dependent oxidation channel for SUL was firstly explored. The protonated PS induces electron transfer on SUL generating SUL O SO. H at pH 4. The oxidation pathways of SUL were investigated via DFT and HPLC TOF MS MS. |
S1385894720308913 | In this study ion imprinted polymer IIP was synthesized using allylthiourea as a functional monomer and As as a template in removing As from water . The synthesis of As IIP as a sorbent was prepared via bulk polymerization . The characterization study has been conducted included pre polymerization study by using Proton Nuclear Magnetic Resonance | The proposed mechanism agreed with the formation of complexation was selective. A moiety of amino acid at As III IIP contributes to the selective properties. As III removal by using As III IIP as a sorbent reached 90 at neutral pH. |
S1385894720308925 | Stretchable conductive and skin friendly materials are highly desired due to their enormous potential in flexible wearable electronic devices biosensors and so forth . Herein a novel type of hydrogels was prepared | A nanocomposite multi network PAni PAAm GOCS hydrogel was facilely prepared. The morphology of PAni nanofibers and conductivity of hydrogel were successfully regulated. The hydrogel exhibited excellent mechanical strength strain sensitivity and skin affinity. |
S1385894720308950 | Single metal catalysts build a bridge between homogeneous catalysis and heterogeneous catalysis . Herein we report the single atom copper sites embedded in reduced graphene oxide for the degradation of various antibiotics including sulfamethoxazole meropenem and sulfafurazole via the heterogeneous activation of peroxymonosulfate . The SA Cu rGO PMS system exhibited an enhanced performance toward the degradation of SMX with the kinetic was 3.9 times faster than in the rGO PMS system . Strikingly we found that over 99 of the total organic carbon was eliminated in the SA Cu rGO PMS system within 120min demonstrating its excellent mineralization ability . The enhanced catalytic performance could be due to the synergistic effect between the rGO matrix and the exposed Cu active sites which facilitated the generation large amount of reactive species and the in situ decomposition of the pollutants at the surface of the catalysts . This SA Cu rGO catalyst with multifunctional properties can be potentially applied in the treatment of refractory wastewater . | Single atom Cu SA Cu supported on reduced graphene oxide rGO was fabricated. The SA Cu rGO exhibited better performance for the activation of PMS than pure rGO. Sulfamethoxazole was efficient removed in the SA Cu rGO PMS system. The SO. and. OH radicals as well as. were the main reactive species. |
S1385894720308986 | The low carrier mobility and poor photocorrosion stability severely restrict the application of cupric oxide as a photocathode in photoelectrochemical water splitting . To resolve the above issues we have designed and synthesized a novel as well as highly efficient NiO CuO MoS | NiO CuO MoS. composite was prepared as photocathode for PEC water splitting. The NiO as hole transfer cocatalyst to promote the transport of photoinduced holes to the substrate. The MoS. can also construct p n heterojunction with CuO to inhibit the recombination of electron hole pairs. The MoS. serves as electron transport cocatalyst to drive photogenerated electrons to the electrode electrolyte interface. NiO CuO MoS. photocathode exhibits a high photocurrent density and photocorrosion stability. |
S1385894720308998 | We report a simple non invasive sensor for monitoring flow rate and flow uniformity in absorbing and non absorbing segmented flows using time resolved measurements of optical transmission . The self contained sensor is simple in design inexpensive and easy to assemble comprising just two light emitting diodes two photodiodes a 3D printed housing and a low cost microcontroller development board . All calculations are carried out directly on the microcontroller using a computationally efficient algorithm based on the sliding discrete Fourier transform . The sensor is released as open hardware with design files source code and assembly instructions included in the | Optical determination of flow rate and flow uniformity in multiphase flows. Method is applicable to both absorbing and colourless multiphase flows. Method is applicable to both non reactive and reactive multiphase flows. Data is processed on a microcontroller using the sliding discrete Fourier transform. |
S1385894720309013 | Unilateral and bilateral substitution compounds named 4 methyl phenol and 4 methyl phenol have been synthesized basing on the preparation of copolymer . The morphology images show that the target molecules can aggregate and organize spontaneously in sulfuric acid solution at room temperature with the formation of spherical or ellipsoidal nano copolymers . And the effects of structure of synthesized compounds on copper corrosion inhibition are analyzed . The XPS study indicates that the organization of copolymers on the copper surface is mainly forced by the chemical adsorption that is the N heteroatom contained lone pair electrons can give electrons to the vacant orbital of copper as a result of forming the adsorbed protection layer . The electrochemical tests suggest that target copolymers show excellent corrosion protection performance for copper in 0.5M H | Two unilateral and bilateral substitution targets IMP DIMP were synthesized successfully. Self aggregate nano copolymer was obtained in sulfuric acid solution. The aggregates could self assemble on copper surface. Target copolymer layer showed excellent corrosion protection performance. The DIMPs had better corrosion inhibition efficiency than IMPs. |
S1385894720309025 | Polymer based composites with high dielectric constant and low loss are highly desirable due to their inherent advantages of easy processability flexibility and lightweight . Herein a functional nanofillers halloysite nanotubes decorated reduced graphene oxide hybrid microstructures | hybrid microstructures were prepared via controllable electrostatic self assembly. microstructures exhibited good dispersion in the PVB composites. The composites showed high dielectric constant and low dielectric loss. The mechanism of the enhancement in dielectric performance was systematically discussed. |
S1385894720309037 | In this study food waste was added into source diverted blackwater to enhance biomethane production using an upflow anaerobic sludge blanket reactor at 35C . Increasing amount of FW was introduced into the BW according to the BW FW volatile solids mixing ratios ranging from 1 0.3 to 1 1.5 . The optimal biomethane recovery efficiency was achieved when BW FW VS mixing ratio was 1 1 corresponding to an organic loading rate of 10.0 kg chemical oxygen demand m | Bioenergy recovery from blackwater is promoted by co digestion with food waste. Co digestion achieved highest CH. production of 2.42 L L d reported to date. Co substrate increased CH. yield and hydrolysis by 40 and 86 over blackwater only. Food waste stimulated microbial activities on both hydrolysis and methanogenesis. |
S1385894720309049 | The electronic structure and associated chemical characteristics of metal based adsorbent are directly relevant to the selectivity and efficiency of phosphate uptake . However few studies focus on the nature of metal centers electronic orbit . Herein we report a coordinatively unsaturated Ce based materials which exhibits excellent potential in effective phosphate removal . Via controlled partial thermolysis and the following reduction process the valence state and coordination number of original Ce MOF can be tuned and optimized . The manufacture of more coordination vacancy was fulfilled through total release of solvent molecules under annealing at 300C in air . Meanwhile the reduction procedure could precisely tuned the ratio of Ce Ce . The result shows that samples only annealed induce a sharp decrease of the phosphate capacity due to the high amount of Ce state . After the reduction process the XPS spectra reveal the growth of oxygen vacancy content calculated as 11.6 and the increase of Ce Ce values from 0.79 1 to 1.36 1 . Based on those great improvement of the unsaturated coordination numbers and the recovery of Ce content for metal centers the maximum capacity of CM 300 to adsorb phosphate is up to 273mg g 2.6 times larger than that of pristine CM . Those new insights provide a novel strategy for synthesizing a highly active adsorbent by controlling the electronic structure of metal centers for efficient phosphate removal . | CM 300 R is developed via partial thermolysis and reduction process of Ce MOF. Partial thermolysis releases solvent molecules but reduces the Ce III content. Reduction procedure increases the Ce III content and the unsaturated coordination numbers. CM 300 R shows high adsorption capacity of 273mg g. CM 300 R exhibits a fast uptake of phosphate 100mg L for 89 removal within 10min. |
S1385894720309050 | Antibiotic and bacteria pollutions widely exist in aquatic environment and pose a great threat to human health . The effective removal of antibiotic and microbial contamination from water is of great importance in global public health . In this study black melamine based sponge was prepared by calcination method . Tetracycline and | A low cost and visible light driven melamine based sponge was prepared. AMS exhibited excellent photocatalytic activity for the removal of TC. The degradation of TC by AMS was mainly attributed to photo generated radicals. The destruction of Salmonella was due chiefly to the photothermal conversion performance of AMS. |
S1385894720309062 | The hydrodeoxygenation reaction kinetics of lignin monomer model compound eugenol was systematically investigated over various commercially available catalysts typically used for lignin valorisation by hydrotreatment . The role of noble metals Pt Pd Rh Ru and non noble Ni and Cu on C was investigated in the previous studies while the present work is focused on the support Al | High throughput tests with coverage and micro kinetics modelling in a slurry reactor. Hydrogenation and deoxygenation activity of Pt Pd Rh Ru Ni and Cu facets. Quantified activity contribution of C Al. SiO. SiO. Al. TiO. HZSM 5. Pathway flux on metallic and acidic surface sites demonstrated with Sankey diagrams. Acidic support sites catalysed aliphatic CO bond cleavage more than for aromatics. |
S1385894720309074 | Phosphate elimination is vital for the remediation of eutrophication to avoid deterioration of water quality . Lanthanum based adsorbents have been proven to have the potential for the removal of phosphate in contaminated water because of its strong affinity for phosphate . Herein we report the high efficiency of NaLa CO | NaLa CO. decorated magnetic biochar was prepared via one pot hydrothermal method. La Fe BC has excellent phosphate uptake of 330.86mg g over a wide pH range of 38. La Fe BC can be magnetically recycled with over 65 of removal efficiency remained. and. on La Fe BC are believed to enhance the phosphate uptake. Electrostatic and ligand exchange dominated the phosphate adsorption by La Fe BC. |
S1385894720309104 | A high solid anaerobic membrane bioreactor treating food waste was continuously operated to investigate AnMBR performance and membrane fouling behavior . The optimal methane yield of 0.570.08 L CH | A high methane yield of 0.57 L CH. g VS. was achieved by the AnMBR in treating FW. Organic pore blocking played the dominant role in membrane fouling at low F R ratios. The cake layer governed the fouling when F R ratio increased. |
S1385894720309116 | Fabrication of functional superhydrophobic materials with stimuli responsive driving ability for the growing fields such as electric switch and liquid manipulation still remains mysterious and challenging . In this work a stimuli responsive superhydrophobic film is fabricated by integrating a bottom porous poly layer a sandwiched cross linkable poly layer and a top carbon | A novel stimuli responsive superhydrophobic film driven by solvent is reported. The SSF exhibits fast large scale reliable bending actuation for the swelling discrepancy. The SSF is successfully applied in biomimetic device electric switch and water manipulation. The SSF based actuators can stably work even under wet and humid conditions. |
S1385894720309153 | High safety and low cost aqueous rechargeable batteries are competitive candidates in the energy storage field . Here we report the outstanding performance of commercial Prussian blue Fe | Commercial Fe. Fe. CN. 3.4H. O performs well in aqueous K ion batteries. At 1 C the capacity reaches 80 mAh g. with 82.4 retention over 500 cycles. At high rate of 10 C it retains 80.8 capacity after 1000 cycles. Storage insertion extraction mechanism is released by various ex situ methods. A novel symmetric aqueous full cell with good performance is designed. |
S1385894720309165 | Organic anode materials are of great importance for the development of lithium ion batteries with less reliance on inorganic minerals . In this work it is found that 2 9 dimethylquinacridone an organic pigment can have excellent electrochemical performances when serving as the anode material in LIBs . 2 9 DMQA based LIB anode manifests a high specific capacity of 1150mAhg | The anodic lithium storage behavior of 2 9 DMQA is evaluated in this work. 2 9 DMQA anode can deliver a high capacity of 1150mAhg. at 0.1Ag. The lithium storage mechanism of 2 9 DMQA can be verified with DFT calculation. The full cell with 2 9 DMQA anode has high energy density and power density. |
S1385894720309189 | Developing an efficient earth abundant catalyst able to accelerate oxygen evolution reaction is crucial for realizing the scalable application of electrochemical water splitting . Spinel transition metal oxides represent a promising catalyst for this reaction but to data their catalytic performance is still further improved to satisfy the practical application . Being different from previous nanostructure engineering and hybridization strategy herein we reported an anion cation co substitution activation of CoMoO | An anion cation co substitution activation of CoMoO. for OER is developed. The co substitution leads to the improvement of catalytic activity. The co substituted catalyst can afford 10 mA cm. at an overpotential of 263 mV. |
S1385894720309207 | To convert solar energy into storable chemical fuel hydrogen via water splitting it is highly required to develop efficient low cost and stable HER catalysts and systems . For practical application the HER catalysts can work in low alkaline or neutral reaction systems . However in these reaction systems water dissociation into proton is a rate determining step which can be overcome by loading metal oxide or hydroxides onto the HER catalysts . Ni | Ni B coupled with borate intercalated Ni OH. as a novel HER catalyst in alkaline system. Intercalated borate enhances electro and photo catalytic HER activity and stability of the composite. Interlayer borate improves proton transport from Ni OH. to Ni B and stabilizes Ni OH. This work provides new insights for design new composite HER catalysts at alkalinity. |
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