Direct access to 4,8-functionalized benzo[1,2-b:4,5-b']dithiop henes with deep low-lying HOMO levels and high mobilities

A general methodology has been proposed for the straightforward access to 4,8-functionalized benzo[1,2-b:4,5-b']dithiop henes (BDTs) viaPd mediated coupling reactions including Suzuki-Sonogashira coupling and carbon-sulfur bond formation reactions. This versatile platform can be used to constru...

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Published inJournal of materials chemistry. A, Materials for energy and sustainability Vol. 2; no. 33; pp. 13580 - 13586
Main Authors Zhu, Enwei, Ge, Guidong, Shu, Jingkun, Yi, Mingdong, Bian, Linyi, Hai, Jiefeng, Yu, Jiangsheng, Liu, Yun, Zhou, Jie, Tang, Weihua
Format Journal Article
LanguageEnglish
Published 01.07.2014
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Summary:A general methodology has been proposed for the straightforward access to 4,8-functionalized benzo[1,2-b:4,5-b']dithiop henes (BDTs) viaPd mediated coupling reactions including Suzuki-Sonogashira coupling and carbon-sulfur bond formation reactions. This versatile platform can be used to construct a library of BDT core centred conjugated systems, featuring large fused-ring structure and good charge mobility, where a hole mobility of 0.061 cm super(2) V super(-1) s super(-1) is demonstrated. With the energy level fine-tuned with functionalization, the charge transporting BDTs show great potential for donor-acceptor polymers.
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ISSN:2050-7488
2050-7496
DOI:10.1039/c4ta01226g