Fe2O3/ZnO core-shell nanorods for gas sensors

被引：110

作者：

Si, Shufeng

Li, Chunhui

Wang, Xun

Peng, Qing

Li, Yadong ^{[1
]}

机构：

[1] Tsing Hua Univ, Dept Chem, Beijing 100084, Peoples R China

[2] Natl Ctr Nanosci & Nanotechnol, Beijing 100084, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2006年 / 119卷 / 01期

基金：

中国国家自然科学基金;

关键词：

ZnO; Fe2O3; nanorods; gas sensor; combustible gas;

D O I：

10.1016/j.snb.2005.11.050

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Fe2O3/ZnO core/shell nanorods were prepared by a solution phase controlled hydrolysis method, and were characterized by XRD, BET and TEM techniques. The surface area of these core/shell nanorods is higher than that of bulk ZnO sensor materials, and in our experiments, the resultant Fe2O3/ZnO gas sensor exhibited a high response, good stability and a short response/recovery time in the detection of low concentrations of various combustible gases. The response/recovery time was less than 20 s, and the response decreased slightly after 4 months. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：52 / 56

页数：5

共 20 条

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