Zeolite-based discriminating gas sensors

被引：0
|
作者：
Department of Chemistry, University College London, Christopher Ingold Laboratories, 20 Gordon Street, London, WC1H 0AJ, United Kingdom [1 ]
不详 [2 ]
机构：
[1] Department of Chemistry, University College London, Christopher Ingold Laboratories, London, WC1H 0AJ
[2] Department of Chemistry, The University of Auckland, Auckland
来源：
Stud. Surf. Sci. Catal. | 2008年 / A卷 / 549-554期
基金：
英国工程与自然科学研究理事会;
关键词：
electronic nose; gas sensors; semi-conducting metal oxide; zeolite;
D O I：
10.1016/S0167-2991(08)80260-1
中图分类号：
学科分类号：
摘要：
The use of zeolites to enhance the discriminating power of solid state gas sensors is demonstrated. Screen printed tungsten trioxide (WO3) and chromium titanium oxide (CTO) thick films overlaid and admixed (CTO only) with different forms of zeolites are shown to give different and in some cases, enhanced responses to a variety of gases. We attempt to rationalise the noted enhancements through computational studies of the adsorption, diffusion and reactivity of the various species in the zeolites, with some success, in order to allow future design of electronic nose devices. © 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：549 / 554
页数：5
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