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

被引：175

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

页码：802 / 808

页数：7

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