Efficient complete oxidation of acetaldehyde into CO2 over CuBi2O4/WO3 composite photocatalyst under visible and UV light irradiation

被引：323
作者：
Arai, Takeo
Yanagida, Masatoshi
Konishi, Yoshinari
Iwasaki, Yasukazu
Sugihara, Hideki
Sayama, Kazuhiro
机构：
[1] Natl Inst Adv Ind Sci & Technol AIST, Energy Technol Res Inst, Tsukuba, Ibaraki 3058565, Japan
[2] Nissan Motor Co Ltd, Nissan Res Ctr, Kanagawa 2378523, Japan
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2007年 / 111卷 / 21期
关键词：
D O I：
10.1021/jp0725533
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A highly efficient and visible light responsive photocatalyst was developed by combining the p-type semiconductor CuBi2O4 and the n-type semiconductor WO3. CuBi2O4/WO3 showed higher reactivity than typical TiO2-based photocatalysts for the complete oxidation of acetaldehyde into CO2 under both UV and visible light. From photoelectrochemical measurements, the reaction mechanism is explained based on the model of the p-n photochemical diode for reductivity/oxdizability improvement.
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页码：7574 / 7577
页数：4
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