Multi-walled carbon nanotubes covalently attached with poly(3-hexylthiophene) for enhancement of field-effect mobility of poly(3-hexylthiophene)/multi-walled carbon nanotube composites

被引：52
|
作者：
Song, Yoon Jung [1 ]
Lee, Jea Uk [1 ]
Jo, Won Ho [1 ]
机构：
[1] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea
来源：
CARBON | 2010年 / 48卷 / 02期
关键词：
REGIOREGULAR POLY(3-HEXYLTHIOPHENE); CONJUGATED POLYMERS; TRANSISTORS; POLYTHIOPHENE; PERFORMANCE; THIOPHENE; CELLS; FILMS;
D O I：
10.1016/j.carbon.2009.09.041
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：
For the purpose of enhancing the field-effect mobility of poly(3-hexylthiophene) (P3HT), multi-walled carbon nanotubes (MWCNTs) were functionalized by attaching covalently P3HT onto the MWCNT surface to yield P3HT-grafted MWCNTs (g-MWCNTs). When a small amount of g-MWCNTs was added to P3HT, the field-effect mobility of the composite was considerably increased as compared to either P3HT or the composites of P3HT and carboxylated MWCNTs (c-MWCNTs). This is because g-MWCNTs are better dispersed than c-MWCNTs in P3HT matrix and consequently g-MWCNTs act more effectively as conducting bridges connecting the crystallites of P3HT. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：389 / 395
页数：7
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