Predictive study of charge transport in disordered semiconducting polymers

被引：72
|
作者：
Athanasopoulos, Stavros
Kirkpatrick, James
Martinez, Diego
Frost, Jarvist M.
Foden, Clare M.
Walker, Alison B. [1 ]
Nelson, Jenny
机构：
[1] Univ Bath, Dept Phys, Bath BA2 7AY, Avon, England
[2] Imperial Coll London, Dept Phys, London SW7 2BW, England
[3] Oxford Ltd, Cambridge CB3 0TX, England
来源：
NANO LETTERS | 2007年 / 7卷 / 06期
关键词：
D O I：
10.1021/nl0708718
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We present a theoretical study of charge transport in disordered semiconducting polymers that relates the charge mobility to the chemical structure and the physical morphology in a novel multiscale approach. Our studies, focusing on poly(9,9-dioctylfluorene) (PFO), show that the charge mobility is dominated by pathways with the highest interchain charge-transfer rates. We also find that disorder is not always detrimental to charge transport. We find good agreement with experimental time-of-flight mobility data in highly aligned PFO films.
引用
收藏
页码：1785 / 1788
页数：4
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