Solution-processed organic crystals for field-effect transistor arrays with smooth semiconductor/dielectric interface on paper substrates

被引：64

作者：

Li, Yun ^{[1
]}

Liu, Chuan ^{[1
]}

Xu, Yong ^{[1
]}

Minari, Takeo ^{[1
]}

Darmawan, Peter ^{[1
]}

Tsukagoshi, Kazuhito ^{[1
,2
]}

机构：

[1] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton WPI MANA, Tsukuba, Ibaraki 3050044, Japan

[2] Japan Sci & Technol Agcy JST, CREST, Kawaguchi, Saitama 3320012, Japan

来源：

ORGANIC ELECTRONICS | 2012年 / 13卷 / 05期

关键词：

Surface roughness reduction; Small-molecule organic crystals; Organic field-effect transistor arrays; Solution-processed; Patterning; Paper electronics; TRANSPORT;

D O I：

10.1016/j.orgel.2012.01.021

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Large surface roughness is a major obstacle for electronic systems fabricated on paper substrates. Here, a mixture solution of organic semiconductor and polymer dielectric was spin-coated on paper substrate with a patterned wettability. This spin-coating process produced organic crystals and a very smooth semiconductor/dielectric interface with a low trap density in well-confined patterns. Despite the large roughness of the paper substrate, the fabricated transistor arrays exhibited high performance with a field-effect mobility reaching 1.3 cm(2)/V s and an on/off ratio of 10(8). The presented results offer a simple fabrication method for the current rapidly developing technology of paper electronics. (C) 2012 Elsevier B. V. All rights reserved.

引用

页码：815 / 819

页数：5

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