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Ag-Cu Nanoparticles Supported on N-Doped TiO2 Nanowire Arrays for Efficient Photocatalytic CO2 Reduction
Yujie Xiong
Author NameAffiliationE-mail
Yujie Xiong University of Science and Technology of China yjxiong@ustc.edu.cn 
Abstract:
Photocatalytic reduction of CO2 into various types of fuels has attracted great interest, and serves as a potential solution to address 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 light absorption range of 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 CO2 reduction. As a result, the photocatalytic performance in photocatalytic CO2 reduction is improved to achieve a CH4 production rate of 720 μmol?g-1?h-1 under full-spectrum irradiation.
Key words:  Photocatalytic CO2 reduction, Schottky junction, Energy transfer, TiO2, Nanoparticles
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Ag-Cu Nanoparticles Supported on N-Doped TiO2 Nanowire Arrays for Efficient Photocatalytic CO2 Reduction
Yujie
摘要:
Photocatalytic reduction of CO2 into various types of fuels has attracted great interest, and serves as a potential solution to address 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 light absorption range of 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 CO2 reduction. As a result, the photocatalytic performance in photocatalytic CO2 reduction is improved to achieve a CH4 production rate of 720 μmol?g-1?h-1 under full-spectrum irradiation.
关键词:  Photocatalytic CO2 reduction, Schottky junction, Energy transfer, TiO2, Nanoparticles
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