Reducing gas response kinetics of nanostructured indium oxide thin films

被引：6
|
作者：
Seetha, M. [1 ,2 ]
Bharathi, S. [1 ,2 ]
Mangalaraj, D. [1 ,2 ,3 ]
Nataraj, D. [1 ,2 ]
机构：
[1] Bharathiar Univ, Dept Phys, Thin Films & Nanomat Lab, Coimbatore 641046, Tamil Nadu, India
[2] Bharathiar Univ, DRDO BU Ctr Life Sci, Coimbatore 641046, Tamil Nadu, India
[3] Bharathiar Univ, Dept Nanosci & Technol, Coimbatore 641046, Tamil Nadu, India
来源：
THIN SOLID FILMS | 2010年 / 518卷 / 24期
关键词：
In(2)O(3); Room temperature gas sensor; Surface modified substrates; PMMA; SENSORS; IN2O3; H2S;
D O I：
10.1016/j.tsf.2010.03.105
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nanostructured indium oxide thin films were prepared by spin-coating the precursor solution on highly porous substrates. Porous substrates were prepared by modifying the surface of glass substrate using poly (methylmethacrylate) solution. Scanning electron microscopic images of the films coated on modified glass substrates show algae-like growth which occupies a larger surface area when compared to the films coated on unmodified substrates which is in accordance with the atomic force microscopic images. Gas sensing property of the films coated on modified substrates showed notable sensitivity even at room temperature. The sensor response for ammonia and ethanol is around 1.8 and 1.5 respectively. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：E125 / E128
页数：4
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