The effect of thiophene sequence separation on air-stable organic thin-film transistor materials

被引：7
|
作者：
Kanazawa, Shusuke [1 ]
Ichikawa, Musubu [1 ]
Fujita, Youki [1 ]
Koike, Ryu [1 ]
Koyama, Toshiki [1 ]
Taniguchi, Yoshio [1 ]
机构：
[1] Shinshu Univ, Fac Text Sci & Technol, Dept Funct Polymer Sci, Nagano 3868567, Japan
来源：
ORGANIC ELECTRONICS | 2008年 / 9卷 / 04期
关键词：
thiophene derivatives; organic transistors; ionization potential; air stability; thiophene sequence;
D O I：
10.1016/j.orgel.2008.01.006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The relationship between thiophene sequences and organic thin-film transistor (OTFT) characteristics was studied to determine their effect on ionization potential, molecular orientation, and air stability. Two types of molecular structures were used: continuous sequence and divided sequence thiophenes. The length of thiophene sequence did not affect FET characteristics but did affect ionic potential and air stability. Furthermore, materials with divided thiophene sequences showed no change in OTFT characteristics when exposed to air. These results suggest that separation of thiophene sequences can improve air stability, which is a problem of thiophene-based materials. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：425 / 431
页数：7
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