Step-saving synthesis of star-shaped hole-transporting materials with carbazole or phenothiazine coresviaoptimized C-H/C-Br coupling reactions

Jui Heng Chen, Kun Mu Lee, Chang Chieh Ting, Ching Yuan Liu

研究成果: 雜誌貢獻期刊論文同行評審

4 引文 斯高帕斯(Scopus)

摘要

In most research papers, synthesis of organic hole-transporting materials relies on a key-reaction: Stille cross-couplings. This requires tedious prefunctionalizations including the preparation and treatment of unstable organolithium and toxicity-concern organotin reagents. In contrast to traditional multistep synthesis, this work describes that a series of star-shaped small molecules with a carbazole or phenothiazine core can be efficiently synthesized through a shortcut using optimized direct C-H/C-Br cross-couplings as the key step, thus avoiding dealing with the highly reactive organolithium or the toxic organotin species. Device fabrication of perovskite solar cells employing these molecules (6-13) as hole-transporting layers exhibit promising power conversion efficiencies of up to 17.57%.

原文???core.languages.en_GB???
頁(從 - 到)8879-8885
頁數7
期刊RSC Advances
11
發行號15
DOIs
出版狀態已出版 - 15 2月 2021

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