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Response of poly(vinyl acetate)\carbon black composites to ethanol vapour and temperature

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conference contribution
posted on 2011-07-21, 10:19 authored by Khalil Arshak, Edward G. Moore, Colm Cunniffe, Leon M. Cavanagh, John A. Harris, S.A. Clifford
The effect of ethanol vapour and temperature was investigated on gas sensors fabricated from poly (vinylacetate)\carbon black composites based around a predetermined percolation threshold. Samples with 8% carbon black loading displayed the best response to the ethanol vapour. Typical response and recovery times of 140s and 45s respectively were recorded. In addition, bridge structures were fabricated, where all four resistive elements were prepared from the same composite material and in which a novel passivation process was employed. It was observed that these bridge stmchres were significantly less affected by variations in temperature in comparison to the single sensor structures.

History

Publication

24th International Conference;

Publisher

IEEE Computer SocietyMIEL 2004. 24th International Conference on Microelectronics

Note

peer-reviewed

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©2004 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.

Language

English

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    University of Limerick

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    Keywords

    gas sensors

    Licence

    CC BY-NC-SA 1.0

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