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Realization of dual-channel organic field-effect transistors and their applications to chemical sensing
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/content/aip/journal/apl/93/13/10.1063/1.2952485
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FIG. 1.

(a) Schematic of the dual-channel OFET with , . (b) Output characteristics of the -FET. (c) Output characteristics of the -FET.

Image of FIG. 2.

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FIG. 2.

Proposed mechanism for the drain current increase with the introduction of alcohol vapor in the -FET.

Image of FIG. 3.

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FIG. 3.

Responses of the (a) -FET and (b) -FET to the IPA vapor.

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/content/aip/journal/apl/93/13/10.1063/1.2952485
2008-10-02
2014-04-19

Abstract

We report on the realization of dual-channel organic field-effect transistors(FETs). These devices have a four-terminal configuration with a polymericsemiconductor-channel, a small molecule semiconductor-channel, and a polymeric gate dielectric. The polymeric-channel and the small molecule -channel are coupled across the gate dielectric. Both the -FET and the -FET exhibit acceptable device characteristics at and , in which the performances of the -FET and the -FET are comparable. The -FET and -FET respond to isopropyl alcohol and ethanol vapors with significant sensitivities.

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Scitation: Realization of dual-channel organic field-effect transistors and their applications to chemical sensing
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/13/10.1063/1.2952485
10.1063/1.2952485
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