n-type building blocks for organic electronics: A homologous family of fluorocarbon-substituted thiophene oligomers with high carrier mobility

被引：303
作者：
Facchetti, A
Mushrush, M
Katz, HE
Marks, TJ
机构：
[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
[2] Northwestern Univ, Ctr Mat Res, Evanston, IL 60208 USA
[3] Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA
来源：
ADVANCED MATERIALS | 2003年 / 15卷 / 01期
关键词：
D O I：
10.1002/adma.200390003
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A substantial enhancement of thermal stability, volatility, and electron affinity, switching the semiconducting behavior from p- to n-type, is achieved by fluoroalkyl substitution of thiophene oligomers (see Figure). When this novel series is compared with the fluorine-free analogues, trends in molecular packing, optical absorption, HOMO-LUMO gap, and pi-pi interactions are found to be strikingly similar.
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页码：33 / +
页数：7
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