Selectively electrochemical conversion of CO2 into organic fuel using renewable electricity is one of the most sought-after processes.In this paper,we report the electrochemical reduction of CO2(CO2RR)on the nanoporou...Selectively electrochemical conversion of CO2 into organic fuel using renewable electricity is one of the most sought-after processes.In this paper,we report the electrochemical reduction of CO2(CO2RR)on the nanoporous Ag electrodes made of compacted Ag nanoparticles(AgNPs),which were prepared by one-step reduction in the water phase with or without the surfactant sodium dodecyl sulfate(SDS).The scanning electron microscope(SEM)characterizations show that the compacted Ag electrodes have the nanoporous morphology formed by stacking AgNPs.Compared with the nanoporous Ag electrode without SDS modification(C-AgNPs),the SDS-modified AgNPs electrode(C-AgNPs-SDS)is highly effective in improving selective CO production in a wide range of potentials(-0.69 V--1.19 V,vs.RHE),with a Faradaic efficiency of 92.2% and a current density of -8.23 mA·cm^-2 for CO production at -0.79 V(vs.RHE).C-AgNPs-SDS is also catalytically stable with only less than 7% deactivation after 8 h of continuous electrolysis.展开更多
When exposing to environmental stress or internal damage,such as genotoxic stress,oxidative stress,and heat stress,cells produce a series of adaptive responses called cellular stress responses[1].The major proteins in...When exposing to environmental stress or internal damage,such as genotoxic stress,oxidative stress,and heat stress,cells produce a series of adaptive responses called cellular stress responses[1].The major proteins involved in cellular stress are heat shock proteins(HSPs).HSPs remain in a low expression level and display a diffused distribution in the nucleoplasm and cytoplasm under basal conditions.In response to various stress conditions。展开更多
文摘Selectively electrochemical conversion of CO2 into organic fuel using renewable electricity is one of the most sought-after processes.In this paper,we report the electrochemical reduction of CO2(CO2RR)on the nanoporous Ag electrodes made of compacted Ag nanoparticles(AgNPs),which were prepared by one-step reduction in the water phase with or without the surfactant sodium dodecyl sulfate(SDS).The scanning electron microscope(SEM)characterizations show that the compacted Ag electrodes have the nanoporous morphology formed by stacking AgNPs.Compared with the nanoporous Ag electrode without SDS modification(C-AgNPs),the SDS-modified AgNPs electrode(C-AgNPs-SDS)is highly effective in improving selective CO production in a wide range of potentials(-0.69 V--1.19 V,vs.RHE),with a Faradaic efficiency of 92.2% and a current density of -8.23 mA·cm^-2 for CO production at -0.79 V(vs.RHE).C-AgNPs-SDS is also catalytically stable with only less than 7% deactivation after 8 h of continuous electrolysis.
基金supported by the National Natural Science Foundation of China (31571321, 31171428)the National Key Research and Develepment Program of China (2016YFE0129200)+1 种基金the Institute of the Fundamental Research Funds of Shandong University (2015JC036)the Open Projects of State Key Laboratory of Molecular Oncology (SKL-KF-2017-17)
文摘When exposing to environmental stress or internal damage,such as genotoxic stress,oxidative stress,and heat stress,cells produce a series of adaptive responses called cellular stress responses[1].The major proteins involved in cellular stress are heat shock proteins(HSPs).HSPs remain in a low expression level and display a diffused distribution in the nucleoplasm and cytoplasm under basal conditions.In response to various stress conditions。
