Synthesis of 2,5,8,11,14,17-hexafluoro-hexa-perihexabenzocoronene for n-type organic field-effect transistors

被引：51

作者：

Kikuzawa, Yoshihiro ^{[1
]}

Mori, Tomohiko ^{[1
]}

Takeuchi, Hisato ^{[1
]}

机构：

[1] Toyota Cent Res & Dev Labs Inc, Aichi 4801192, Japan

来源：

ORGANIC LETTERS | 2007年 / 9卷 / 23期

关键词：

D O I：

10.1021/ol702158a

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A fluorine-substituted hexa-peri-hexabenzocoronene was synthesized as a thermostable active material for n-type semiconductors. The LUMO and HOMO energy levels, estimated by UV-vis and photoelectron spectroscopy, were lower by 0.5 eV than those of hexa-peri-hexabenzocoronene. A field-effect transistor fabricated by vacuum sublimation showed n-type performance with a field-effect mobility of 1.6 x 10(-2) cm(2)/Vs and an on/off ratio of 10(4). The electron-withdrawing effect of the fluorine substituents changed the polarity from p-type to n-type.

引用

页码：4817 / 4820

页数：4

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