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Zeolites as transformation elements in discriminating semiconductor metal oxide sensors

Afonja, A; Binions, R; Dungey, S; Parkin, IP; Lewis, DW; Williams, DE; (2010) Zeolites as transformation elements in discriminating semiconductor metal oxide sensors. In: Jakoby, B and Vellekoop, MJ, (eds.) EUROSENSORS XXIV CONFERENCE. (pp. 103 - 106). ELSEVIER SCIENCE BV

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Abstract

The effectiveness of using zeolites as a method of introducing variance in the gas responses of semiconductor metal oxide gas sensors is demonstrated. Screen printed tungsten trioxide (WO3) and chromium titanium oxide (CTO) thick films overlaid with the hydrogen form of different zeolites were exposed to organic vapours with similar functional groups. The composite metal oxide-zeolite gas sensors responses exhibit reproducible gas specific enhanced and diminished responses. (C) 2010 Published by Elsevier Ltd.

Type:Proceedings paper
Title:Zeolites as transformation elements in discriminating semiconductor metal oxide sensors
Event:24th Eurosensor Conference
Location:Linz, AUSTRIA
Dates:2010-09-05 - 2010-09-08
DOI:10.1016/j.proeng.2010.09.058
Keywords:Semiconducting metal oxides, gas sensors, zeolites, GAS-SENSITIVE RESISTORS
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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