Photocatalytic reduction of CO2 into various types of fuels has attracted great interest,and serves as a potential solution to addressing current global warming and energy challenges.In this work,Ag-Cu nanoparticles a...Photocatalytic reduction of CO2 into various types of fuels has attracted great interest,and serves as a potential solution to addressing current global warming and energy challenges.In this work,Ag-Cu nanoparticles are densely supported on N-doped TiO2 nanowire through a straightforward nanofabrication approach.The range of light absorption by N-doped TiO2 can be tuned to match the plasmonic band of Ag nanoparticles,which allows synergizing a resonant energy transfer process with the Schottky junction.Meanwhile,Cu nanoparticles can provide active sites for the reduction of CO2 molecules.Remarkably,the performance of photocatalytic CO2 reduction is improved to produce CH4 at a rate of 720μmol·g-1·h-1 under full-spectrum irradiation.展开更多
基金supported by the National Key R&D Program of China (2017YFA0207301)National Natural Science Foundation of China (No.21725102, No.21471141,No.21601173)+3 种基金CAS Key Research Program of Frontier Sciences(QYZDB-SSWSLH018)CAS Interdisciplinary Innovation Team,Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology (No.2016FXCX003)Anhui Provincial Natural Science Foundation (No.1608085QB24)Chinese Universities Scientific Fund (WK2310000067)
文摘Photocatalytic reduction of CO2 into various types of fuels has attracted great interest,and serves as a potential solution to addressing current global warming and energy challenges.In this work,Ag-Cu nanoparticles are densely supported on N-doped TiO2 nanowire through a straightforward nanofabrication approach.The range of light absorption by N-doped TiO2 can be tuned to match the plasmonic band of Ag nanoparticles,which allows synergizing a resonant energy transfer process with the Schottky junction.Meanwhile,Cu nanoparticles can provide active sites for the reduction of CO2 molecules.Remarkably,the performance of photocatalytic CO2 reduction is improved to produce CH4 at a rate of 720μmol·g-1·h-1 under full-spectrum irradiation.
