Fluorination on cyclopentadithiophene-based hole-transport materials for high-performance perovskite solar cells

Gizachew Belay Adugna, Kun Mu Lee, Hsiao Chi Hsieh, Shih I. Lu, Yu Chien Hsieh, June Hung Yang, Wei Hao Chiu, Kang Ling Liau, Yu Tai Tao, Yan Duo Lin

Research output: Contribution to journalArticlepeer-review

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Abstract

A new class of fluorinated cyclopenta[2,1-b:3,4-b′]dithiophene (CPDT)-based small molecules, namely YC-oF, YC-mF, and YC-H, are demonstrated as hole-transporting materials (HTMs) for high-performance perovskite solar cells (PSCs). PSCs employing YC-oF as the HTM delivered an excellent efficiency of 22.41% with encouraging long-term stability.

Original languageEnglish
Pages (from-to)14653-14656
Number of pages4
JournalChemical Communications
Volume59
Issue number99
DOIs
StatePublished - 14 Nov 2023

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