High ambipolar mobility in a highly ordered smectic phase of a dialkylphenylterthiophene derivative that can be applied to solution-processed organic field-effect transistors

被引：158

作者：

Funahashi, Masahiro ^{[1
]}

Zhang, Fapei ^{[1
]}

Tamaoki, Nobuyuki ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Mol Smart Syst Grp, Nanotechnol Res Inst, Tsukuba Cent 5 2, Tsukuba, Ibaraki 3058565, Japan

来源：

ADVANCED MATERIALS | 2007年 / 19卷 / 03期

关键词：

CHARGE-CARRIER TRANSPORT; LIQUID-CRYSTAL; PHOTOCONDUCTIVITY; SEMICONDUCTOR; DEVICE;

D O I：

10.1002/adma.200602319

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A phenylterthiophene derivative that exhibits a highly ordered smectic phase around room temperature is synthesized. In the bulk of the smectic phase, ambipolar carrier transport is observed and electron mobility exceeds 0.2 cm(2) V-1 S-1. Thin-film transistors (see the AFM image in the figure) are fabricated by a spin-coating method and exhibit p-type operation, a field-effect mobility of 0.02 cm(2) v(-1) s(-1), and an on/off ratio of 10(6).

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页码：353 / +

页数：7

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