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Organic field-effect transistor sensors with dual responses to dinitrotoluene

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6 Author(s)
Thomas J. Dawidczyk ; Department of Materials Science and Engineering, Johns Hopkins University, USA ; Jia Huang ; Jia Sun ; Tejas Shastry
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This paper presents an organic field effect transistor for the detection of dinitrotoluene (DNT). DNT is a common explosive simulant or a by-product of trinitrotoluene (TNT). The sensors in this work were exposed to dinitrotoluene (DNT). The electron withdrawing nitro group allows OFETs to be used as sensors. Both n-channel (electron carrying) and p-channel (hole carrying) transistors were tested and gave varying responses to DNT vapors.

Published in:

Semiconductor Device Research Symposium, 2009. ISDRS '09. International

Date of Conference:

9-11 Dec. 2009