Anomalous photoconductivity of cobalt-doped zinc oxide nanobelts in air

被引：39

作者：

Peng, Liang ^{[1
]}

Zhai, Jia-Li ^{[1
]}

Wang, De-Jun ^{[1
]}

Wang, Ping ^{[1
]}

Zhang, Yu ^{[1
]}

Pang, Shan ^{[1
]}

Xie, Teng-Feng ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, Changchun 130023, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2008年 / 456卷 / 4-6期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1016/j.cplett.2008.03.052

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：

The decrease of photoconductivity from 1.3 to 0.25 mu A in ambient air or in water vapor atmosphere has been observed when the cobalt-doped zinc oxide nanobelts are irradiated with 630 nm light. This kind of negative photoconductivity is attributed to the photodesorption of water molecules from nanobelts' surface, and the mechanism was discussed. This result supplies a potential method to detect water vapor with a low concentration in environment. Crown Copyright (c) 2008 Published by Elsevier B. V. All rights reserved.

引用

页码：231 / 235

页数：5

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