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Proceedings Paper

Selective hydrogen sensors based on conducting polymers
Author(s): Stephen Sestak; Costa Conn; Michael Lake; Anthony T. Baker; Joe Unsworth
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Paper Abstract

As part of a program focused on the development of selective conducting polymer gas sensors, we have investigated the behavior of polyaniline-platinum oxide chemoresistors in the presence of combustible gases such as hydrogen, methane, ethylene, acetylene and carbon monoxide. In this paper we report on results obtained using a polyaniline-platinum oxide sensor. By hydrogen atmosphere preconditioning, we were able to increase the selectivity and sensitivity of the sensors for hydrogen in air at concentrations between 1000 and 5400 parts per million (ppm).

Paper Details

Date Published: 14 November 1997
PDF: 12 pages
Proc. SPIE 3241, Smart Materials, Structures, and Integrated Systems, (14 November 1997); doi: 10.1117/12.293485
Show Author Affiliations
Stephen Sestak, Univ. of Technology (Australia)
Costa Conn, Univ. of Technology (Australia)
Michael Lake, Univ. of Technology (Australia)
Anthony T. Baker, Univ. of Technology (Australia)
Joe Unsworth, Univ. of Technology (Australia)

Published in SPIE Proceedings Vol. 3241:
Smart Materials, Structures, and Integrated Systems
Alex Hariz; Vijay K. Varadan; Olaf Reinhold, Editor(s)

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