Morphology control of TIPS-pentacene grains with inert gas injection and effects on the performance of OTFTs

被引：29
|
作者：
Kim, Min Jung [1 ]
Heo, Hyo Weon [2 ]
Suh, Yong Kweon [2 ]
Song, Chung Kun [1 ]
机构：
[1] Dong A Univ, Dept Elect Eng, Pusan, South Korea
[2] Dong A Univ, Dept Mech Eng, Pusan, South Korea
来源：
ORGANIC ELECTRONICS | 2011年 / 12卷 / 07期
关键词：
OTFT; OFET; TIPS-pentacene; Morphology control; Inert gas injection; THIN-FILM TRANSISTORS; INK-JET;
D O I：
10.1016/j.orgel.2011.03.034
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We applied Ar gas injection while drying droplets of TIPS-pentacene in a quartz tube and controlled the growth direction of the grain boundary and the morphology. The organic thin film transistors (OTFTs) showed a high mobility of 0.53 +/- 0.02 cm(2)/V s with a small deviation of 3.7% when the gas direction was parallel to the source-drain current, resulting in the direction of the grain boundary being parallel to the current. In contrast, OTFTs having grain boundaries perpendicular to the current flow displayed mobility of 0.06 +/- 0.02 cm(2)/V s. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1170 / 1176
页数：7
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