Ethanol gas sensing property and mechanism of ZnSnO3 doped with Ti ions

被引：20
作者：
Zeng, Wen [1 ,2 ]
Liu, Tian-mo [1 ,2 ]
Lin, Li-yang [1 ,2 ]
机构：
[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400030, Peoples R China
[2] Natl Engn Res Ctr Magnesium Alloys, Chongqing 400030, Peoples R China
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2012年 / 15卷 / 03期
关键词：
ZnSnO3; Ethanol; Gas reaction; First principles; SOLID-SOLUTIONS; HOLLOW FIBERS; SNO2; MICROSTRUCTURE; SENSITIVITY; SURFACES; OXYGEN;
D O I：
10.1016/j.mssp.2012.02.003
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Zinc tin oxide (ZnSnO3) materials, native and doped with Ti nanocomposites, were prepared by coprecipitation. In particular, we focus on the effect of Ti dopant on the ethanol sensing behavior of the ZnSnO3-based sensor. Results show that adding Ti ions evidently enhanced gas response of ZnSnO3. A gas adsorption model based on first principles was proposed to address the gas sensing mechanism. This study may open up an avenue for exploring other ABO(3)-type sensing materials. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：319 / 325
页数：7
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