Step-efficient access to new starburst hole-transport materials with carbazole end-groups for perovskite solar cells: Via direct C-H/C-Br coupling reactions

Yu Chieh Chang, Kun Mu Lee, Chang Chieh Ting, Ching Yuan Liu

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

New starburst small molecules bearing carbazole end-groups are step-economically synthesized in good isolated yields (70-84%) by sequential C-H activation/arylation reactions. Perovskite solar cells employing these molecules (YC05-08) as hole-transporting materials (HTMs) display a promising power conversion efficiency of up to 17.4%.

Original languageEnglish
Pages (from-to)2041-2045
Number of pages5
JournalMaterials Chemistry Frontiers
Volume3
Issue number10
DOIs
StatePublished - Oct 2019

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