New Benzotrithiophene-Based Hole-Transporting Materials for Perovskite Solar Cells: Succinct Synthesis and PCE Improvement

Li Lin, Chia Chi Hsu, Kun Mu Lee, Mei Yu Lin, Yi Kai Peng, Ching Yuan Liu

研究成果: 雜誌貢獻期刊論文同行評審

摘要

We report a succinct synthesis of benzotrithiophene (BTT) core-based new hole-transporting materials (HTMs) with t-butyl terminal substituents, using boron- and tin-free threefold direct C−H/C−Br couplings as key transformations. One of the synthesized oligoaryls (YKP05) incorporating additional 3,4-ethylenedioxythiophene (EDOT) moiety as π-spacers displayed significantly improved power conversion efficiency of up to 15.1 % while fabricated in perovskite solar cells as hole-transporting layer.

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文章編號e202202472
期刊ChemistrySelect
7
發行號33
DOIs
出版狀態已出版 - 6 9月 2022

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