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

页码：K6 / K10

页数：5

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