High-performance n-channel organic thin-film transistors based on the dual effects of heterojunction and surface modification

被引：0
|
作者：
曹进 [1 ,2 ]
洪飞 [1 ,2 ]
邢菲菲 [3 ]
顾文 [1 ,2 ]
郭新安 [1 ,2 ]
张浩 [1 ,2 ]
魏斌 [1 ,2 ]
张建华 [1 ,2 ]
王军 [1 ,2 ]
机构：
[1] Key Laboratory of Advanced Display and System Application(Shanghai University)
[2] Special Display Technology(Hefei University of Technology),Ministry of Education
[3] Chemistry Department,College of Sciences,Shanghai University
来源：
ChinesePhysicsB | 2010年 / 19卷 / 03期
基金：
中国国家自然科学基金;
关键词：
n-channel; heterojunction effect; surface modification;
D O I：
暂无
中图分类号：
TN321.5 [];
学科分类号：
0805 ; 080501 ; 080502 ; 080903 ;
摘要：
This paper presents two n-channel organic heterojunction transistors with modified insulator by using hexadecafluorophthalocyaninatocopper(F 16 CuPc)/copper phthalocyanine(CuPc) and F 16 CuPc/pentacene as the active layers.Compared with a single-layer device,it reports that an improved field-effect mobility and a 6-fold higher drain current are observed.The highest mobility of 0.081 cm 2 /(V·s) was obtained from F 16 CuPc/CuPc heterojunction devices.This result is attributed to the dual effects of the organic heterojunction and interface modification.Furthermore,for two heterojunction devices,the performance of the F 16 CuPc/CuPc-based transistor is better than that of F 16 CuPc/pentacene.This is attributed to the morphologic match of two organic components.
引用
收藏
页码：460 / 465
页数：6
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