High aspect ratio In2O3 nanowires:: Synthesis, mechanism and NO2 gas-sensing properties

被引：174
|
作者：
Xu, Pengcheng [1 ]
Cheng, Zhixuan [1 ]
Pan, Qingyi [1 ]
Xu, Jiaqiang [1 ]
Xiang, Qun [1 ]
Yu, Weijun [2 ]
Chu, Yuliang [2 ]
机构：
[1] Shanghai Univ, Coll Sci, Dept Chem, Shanghai 200444, Peoples R China
[2] Shanghai Univ, Instrumental Anal & Res Ctr, Shanghai 200444, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2008年 / 130卷 / 02期
关键词：
hydrothermal; In2O3; nanowires; NO2; gas sensors;
D O I：
10.1016/j.snb.2007.10.044
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Flexural In2O3 nanowires with high aspect ratios were synthesized via a hydrothermal-annealing route. The as-synthesized In2O3 nanowires had diameters of 30-50 nm and length up to several microns. Various reaction parameters, such as the kind of reagents, the time of hydrothermal treatment, annealing time and annealing temperature, were investigated by a series of control experiments. The as-synthesized In2O3 nanowires showed excellent gas-sensing properties to NO2 in terms of sensor response and selectivity. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：802 / 808
页数：7
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