Effect of substituents on the properties of distyrylarylene-based field-effect transistor materials

被引：13

作者：

Li, Ye-Xin ^{[1
]}

Tao, Xu-Tang ^{[1
]}

Wang, Fa-Jun ^{[1
]}

He, Tao ^{[1
]}

Zhang, Liang-Liang ^{[1
]}

Jiang, Min-Hua ^{[1
]}

机构：

[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2009年 / 470卷 / 4-6期

基金：

中国国家自然科学基金;

关键词：

THIN-FILM TRANSISTORS; ORGANIC TRANSISTORS; HIGH-PERFORMANCE; EMITTING LAYER; ELECTROLUMINESCENCE; OLIGOTHIOPHENES; DERIVATIVES; AMBIPOLAR; OLIGOMERS; DISPLAYS;

D O I：

10.1016/j.cplett.2009.01.057

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Two new distyrylarylene derivatives, 4,4'-bis(2-dibenzothienylvinyl) biphenyl (1) and 4,4'-bis(2-bithienylvinyl) biphenyl (2), were synthesized with good yields. Their properties are compared with 4,4'-bis[2-(3-N-butylcarbazolyl) vinyl] biphenyl (3). Our experiments reveal that the substituents have significant effects on the optical behaviors and film morphologies. The OFET properties of these materials were investigated. Both 1 and 2 exhibit hole mobility higher than 0.01 cm(2) V (1) s(1) with good environmental stability. However, the devices using 3 as active layer show poor carrier-transporting ability due to weak intermolecular interactions in the film. These results reveal that the substituent has significant effect on the OFET performance of distyrylarylene-based materials. (C) 2009 Elsevier B. V. All rights reserved.

引用

页码：264 / 268

页数：5

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