Organic single crystal transistor characteristics of single-crystal phase pentacene grown by ionic liquid-assisted vacuum deposition

被引：46

作者：

Takeyama, Yoko ^{[1
]}

Ono, Shimpei ^{[2
]}

Matsumoto, Yuji ^{[1
]}

机构：

[1] Tokyo Inst Technol, Mat & Struct Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan

[2] Cent Res Inst Elect Power Ind, Komae, Tokyo 2018511, Japan

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 08期

关键词：

FIELD-EFFECT TRANSISTORS; THIN-FILM TRANSISTORS; LARGE-AREA ELECTRONICS; CHARGE-TRANSPORT; MOBILITY; INTERFACE; INSULATOR; RUBRENE;

D O I：

10.1063/1.4747148

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Organic transistor characteristics of single-crystal phase pentacene were investigated. Ionic liquids (ILs) were used as not only a gate dielectric material in the transistors but also a crystallization solvent in vacuum deposition of pentacene. The crystal sizes reached 200 mu m and their surface exhibits a molecularly step-and-terrace structure. There was no sign of IL molecules inside the crystal, and the impurity level of 6,13-pentacenequinone was also reduced. The average value of the field-effect mobility was not so inferior to those for the conventional pentacene single crystals, and the highest value exceeded 5 cm(2)/Vs, with the on/off current ratio of 10(4). (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4747148]

引用

页数：4

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