Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Vol. 80 Commemorative Accounts
Conducting-Polymer-Based Chemical Sensors: Transduction Mechanisms
Kazunori SugiyasuTimothy M. Swager
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2007 Volume 80 Issue 11 Pages 2074-2083

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Abstract

Conducting organic polymers show great promise as sensory materials. The transport of charge in these systems imparts the ability to attain high sensitivity to analytes of interest. This contribution reviews a number of different mechanisms by which analytes can interact with organic conducting polymers to create changes in their resistivity. New sensor systems based upon triaryl-methyl carbocations are also reported for the first time. The design of specific molecular recognition can impart selectivity in this process and in addition the nature of the conducting polymer can also lead to selectivity for different analytes.

This contribution reviews a number of different mechanisms by which analytes can interact with conducting polymers to create changes in their resistivity. The design of specific molecular recognition and the nature of the conducting polymer can impart high-selectivity for different analytes. Fullsize Image
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© 2007 The Chemical Society of Japan
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