Study on ZnO-doped tin oxide thick film gas sensors

被引：64

作者：

Srivastava, Abhilasha

Rashmi

Jain, Kiran

机构：

[1] Natl Phys Lab, Elect Mat Div, New Delhi 110012, India

[2] Natl Phys Lab, Mat Characterizat Div, New Delhi 110012, India

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2007年 / 105卷 / 2-3期

关键词：

gas sensors; sensitivity; tin oxide; zinc oxide; LPG; CNG; co-precipitation;

D O I：

10.1016/j.matchemphys.2007.05.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of ZnO doping in SnO2 was investigated for gas sensor applications. Zinc oxide in different concentration, 2 wt% and 5 wt% was added to tin oxide powder prepared by a co-precipitation method. The gas sensor was made on alumina substrate by the screen-printing technique. The sensitivity for different gases such as methane, LPG, ethanol and CO gases was investigated at different temperatures and concentrations. Highest LPG gas sensitivity was observed for 2% Pd addition to 5% Zn-doped SnO2 gas sensor, with a negligible variation in resistance for ethanol. (c) 2007 Elsevier B.V. All rights reserved.

引用

收藏

页码：385 / 390

页数：6

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