Synthesis and properties of multipod-shaped ZnO nanorods for gas-sensor applications

被引：0
|
作者：
T. Gao
T.H. Wang
机构：
[1] Chinese Academy of Sciences,Institute of Physics
来源：
Applied Physics A | 2005年 / 80卷
关键词：
Thin Film; Optical Property; Operating Procedure; Electronic Material; Surface Reaction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We reported the synthesis and optical properties of ZnO nanorods with multipod shapes, and their applications as gas sensors. The multipod-shaped ZnO (M-ZnO ) nanorods, having tens of needle-like nanorods united at a common junction, exhibited different structural and optical characters from those of the tetrapod-shaped ZnO (T-ZnO) nanorods. Employing the M-ZnO and the T-ZnO nanorods, respectively, gas sensors were prepared and tested for the detection of ethanol in air. It was found that the M-ZnO devices had an improved sensing performance in comparison with that of the T-ZnO sensors, of which a possible sensing mechanism related to a surface reaction process was discussed.
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页码：1451 / 1454
页数：3
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