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Making benzotrithiophene derivatives dopant-free for perovskite solar cells: Step-saving installation of π-spacers by a direct C-H arylation strategy

  • Yi Kai Peng
  • , Kun Mu Lee
  • , Chang Chieh Ting
  • , Ming Wei Hsu
  • , Ching Yuan Liu*
  • *Corresponding author for this work
  • National Central University

Research output: Contribution to journalJournal Article peer-review

25 Scopus citations

Abstract

Previously, benzotrithiophene (BTT)-based hole-transporting materials (HTMs) had to be doped with three chemical agents for high-efficiency perovskite solar cells (PSC). This work describes significant progress by which the first dopant-free BTT core-based HTM (YKP03) with EDOT spacers was readily accessed by step-saving direct C-H arylation. PSCs with dopant-free YKP03 showed promising efficiencies of up to 16.15% with potential long-term storage stability.

Original languageEnglish
Pages (from-to)24765-24770
Number of pages6
JournalJournal of Materials Chemistry A
Volume7
Issue number43
DOIs
StatePublished - 2019

Bibliographical note

Publisher Copyright:
© 2019 The Royal Society of Chemistry.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

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