期刊
CHEMISTRY OF MATERIALS
卷 26, 期 1, 页码 594-603出版社
AMER CHEMICAL SOC
DOI: 10.1021/cm4018776
关键词
organic materials; organic semiconducting materials; flexible chain effect; alkyl chain effect
资金
- Ministry of Science and Technology [2009CB623601, 2013CB933501]
- National Natural Science Foundation of China
In the past couple of years, remarkable progress has been made in solution-processable organic semiconducting materials for optoelectronics. The development of novel pi-conjugated backbones has always been the central issue in this field. In contrast, flexible side chains are less developed and usually used only as solubilizing groups. In this Perspective, we highlight the effects of the flexible chains in organic semiconductors, including the influences of length, odd even effect, substitution position, terminal groups, branching position, and chirality of alkyl chains, as well as some significant features of oligo(ethylene glycol) and fluoroalkyl chains. Although the roles of flexible chains in organic semiconducting materials are complex and differ when corresponding conjugated skeleton changes, in this Perspective, we emphasize the synergy of conjugated backbones and flexible side chains, which might significantly facilitate the understanding of the roles of flexible chains in structure property relationship and promote the development of high-performance organic semiconductors.
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