Benzimidazoles are commonly used as an electron acceptor unit in the synthesis of donor acceptor donor type conjugated polymers. This review offers an overview of the utility of benzimidazole derivatives in the synthesis of various donor acceptor donor type of conjugated polymers, covering the research trends in experimental studies. The selected molecules in this overview have been limited with the donor-acceptor-donor type of conjugated polymers including benzimidazole as an acceptor unit and the corresponding studies up to 2016 have been shown. The polymers examined in this paper are discussed in two sections. The first section includes the studies about the effect of benzimidazole unit on the optical feature of resulting donor-acceptor type polymers. The second section illustrates the benzimidazole-based donor-acceptor-donor type conjugated polymers which are utilized in photovoltaic applications.

中文翻译：

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含苯并咪唑的供体-受体-供体类型π共轭聚合物的化学研究：苯并咪唑作为受体

苯并咪唑在供体受体供体型共轭聚合物的合成中通常用作电子受体单元。这篇综述概述了苯并咪唑衍生物在各种供体受体供体类型的共轭聚合物的合成中的效用，涵盖了实验研究的趋势。本概述中选择的分子受到包括苯并咪唑作为受体单元的共轭聚合物的供体-受体-供体类型的限制，并显示了截至2016年的相应研究。本文分两部分讨论了聚合物。第一部分包括有关苯并咪唑单元对所得供体-受体型聚合物光学特性影响的研究。