Photoresponsive and Ultraviolet to Visible-Light Range Photocatalytic Properties of ZnO:Sb Nanowires

被引：45
|
作者：
Wu, Jyh Ming [1 ]
Fang, Chiung-Wan [2 ]
Lee, Lin-Tsang [2 ]
Yeh, Hsin-Hsien [3 ]
Lin, Yu-Hung [4 ]
Yeh, Ping-Hung [4 ,5 ]
Tsai, Ling-Na [3 ]
Lin, Li-Jiaun [3 ]
机构：
[1] Feng Chia Univ, Dept Mat Sci & Engn, Taichung 40724, Taiwan
[2] Natl Chung Hsing Univ, Dept Appl Math, Taichung 402, Taiwan
[3] Ind Technol Res Inst, Mat & Chem Res Labs, Hsinchu 310, Taiwan
[4] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 300, Taiwan
[5] Tamkang Univ, Dept Phys, Tansui 251, Taiwan
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2011年 / 158卷 / 01期
关键词：
CHEMICAL-VAPOR-DEPOSITION; FIELD-EMISSION PROPERTIES; TITANIUM-DIOXIDE; NANOSTRUCTURES; PHOTOLUMINESCENCE; TEMPLATE; SNO2; SB;
D O I：
10.1149/1.3514618
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Zinc oxide (ZnO) doped antimony (Sb) nanowires have been synthesized for improving ultraviolet sensing and photocatalytic properties. Upon illumination by UV light (365 nm, 2.33 mW cm(-2)), the photoelectric current of the ZnO: Sb nanowires exhibited a rapid photoresponse as compared to that of the ZnO nanowires. A highest ratio of photocurrent to dark current of around 48.8-fold was achieved in the as-synthesized ZnO: Sb nanowires. A UV-visible spectrophotometer was used to investigate the absorbance spectrum of the ZnO:Sb nanowires, which exhibited a high absorbance ratio with redshift effect in contrast to that of the ZnO nanowires. Visible-light photocatalysis and UV photoresponsive properties of the ZnO: Sb nanowires are superior to those of the ZnO nanowires. (c) 2010 The Electrochemical Society.
引用
收藏
页码：K6 / K10
页数：5
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