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Organic thin film transistors: From theory to real devices

Published online by Cambridge University Press:  03 March 2011

Gilles Horowitz
Gilles Horowitz*
Affiliation:
ITODYS, CNRS-UMR 7086, Université Denis-Diderot, 1 rue Guy de la Brosse, 75005 Paris, France
*
a)e-mail: [email protected]
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Abstract

The organic thin-film transistor (OTFT) is now a mature device that has developed tremendously during the last twenty years. The aim of this paper is to update previous reviews on that matter that have been published in the past. The operating mode of OTFTs is analyzed in view of recent model development. This mainly concerns the distribution of charges in the conducting channel and problems connected with contact resistance. We also delineate what differentiates n- and p-type semiconductors, and show how this concept differs from what it covers in conventional semiconductors. In the chapter devoted to fabrication techniques, emphasis is placed on solution-based techniques and particularly printing processes. Similarly, soluble materials are given a prominent place in the section dedicated to the performance of devices. Finally, special attention is given to devices at the nanoscale level, which demonstrate a new route toward molecular electronics.

Keywords

OrganicSemiconductorElectrical properties
Type
Reviews—Organic Electronics Special Section
Information
Journal of Materials Research , Volume 19 , Issue 7 , July 2004 , pp. 1946 - 1962
Copyright
Copyright © Materials Research Society 2004

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