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Electrostatic Spray Deposition of Highly-Crystalline TIPS Pentacene Thin Films for Fabrication of Organic Field-Effect Transistors

Published online by Cambridge University Press:  20 December 2012

Norio Onojima ,
Hiroki Saito ,
Naomichi Nishio  and
Takamasa Kato
Norio Onojima
Affiliation:
Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Takeda 4-3-11, Kofu, Yamanashi, 400-8511, Japan
Hiroki Saito
Affiliation:
Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Takeda 4-3-11, Kofu, Yamanashi, 400-8511, Japan
Naomichi Nishio
Affiliation:
Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Takeda 4-3-11, Kofu, Yamanashi, 400-8511, Japan
Takamasa Kato
Affiliation:
Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Takeda 4-3-11, Kofu, Yamanashi, 400-8511, Japan
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Abstract

This paper demonstrates that electrostatic spray deposition (ESD) method is a promising solution process to fabricate highly-crystalline organic films (6,13-bis(triisopropylsilylethynyl) pentacene; TIPS pentacene) for the use in bottom-contact organic field-effect transistors (OFETs). We obtained large crystalline domains (i.e., molecularly-oriented domains) by using an o-DCB:acetone mixed solvent (1:1), and observed good transistor behavior in an OFET having the channel length of 20 μm.

Keywords

organiccrystallinespray deposition
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1501: Symposium P – Single-Crystalline Organic and Polymer Semiconductors—Fundamentals and Devices , 2013 , mrsf12-1501-p09-34
Copyright
Copyright © Materials Research Society 2012

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