Difluorinated 6,13-Bis(triisopropylsilylethynyl)pentacene: Synthesis, Crystallinity, and Charge-Transport Properties

被引：15
|
作者：
Kim, Chang-Hyun [1 ]
Hlaing, Htay [2 ]
Payne, Marcia M. [3 ]
Parkin, Sean R. [3 ]
Anthony, John E. [3 ]
Kymissis, Ioannis [2 ]
机构：
[1] Ecole Polytech, CNRS, LPICM, F-91128 Palaiseau, France
[2] Columbia Univ, Dept Elect Engn, New York, NY 10027 USA
[3] Univ Kentucky, Dept Chem, Lexington, KY 40506 USA
来源：
CHEMPHYSCHEM | 2015年 / 16卷 / 06期
基金：
美国国家科学基金会;
关键词：
charge transport; crystal structure; organic field-effect transistors; pentacenes; semiconductors; FIELD-EFFECT TRANSISTORS; ELECTRICAL-PROPERTIES; EFFECT MOBILITY; THIN-FILMS; PERFORMANCE; PENTACENE; TEMPERATURE; INTERFACES; MORPHOLOGY; ALIGNMENT;
D O I：
10.1002/cphc.201402750
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：
Fluorination has been demonstrated to improve stability and processing in thiophene-containing small-molecule semiconductors. Here, the impact of partial fluorination on these parameters in a pentacene derivative is examined. Although the improvement in photostability is not as dramatic, there is a clear improvement in the stability of the chromophore upon fluorination. The improvement in processability is more dramatic; devices formed by spin-coating with the fluorinated derivative perform substantially better than those formed from the nonfluorinated compound.
引用
收藏
页码：1251 / 1257
页数：7
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