Orientation of pentacene films using surface alignment layers and its influence on thin-film transistor characteristics

被引：125
|
作者：
Swiggers, ML
Xia, G
Slinker, JD
Gorodetsky, AA
Malliaras, GG [1 ]
Headrick, RL
Weslowski, BT
Shashidhar, RN
Dulcey, CS
机构：
[1] Cornell Univ, Cornell High Energy Synchrotron Source, Ithaca, NY 14853 USA
[2] USN, Ctr Biomol Sci & Engn, Res Lab, Washington, DC 20375 USA
来源：
APPLIED PHYSICS LETTERS | 2001年 / 79卷 / 09期
关键词：
D O I：
10.1063/1.1394952
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have investigated the effect of surface order on the orientation and mobility of pentacene. The surface order was created using monolayers and polymers that are normally used to align liquid crystals. Rubbed polyvinylalcohol layers were found to align approximately 27% of the pentacene grains within a 30 degrees range. When introduced in a thin-film transistor, they were found to enhance the saturation current by a factor of 2.5. A mechanism for this enhancement is proposed. (C) 2001 American Institute of Physics.
引用
收藏
页码：1300 / 1302
页数：3
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