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Hole-Transporting Materials Based on Twisted Bimesitylenes for Stable Perovskite Solar Cells with High Efficiency

  • Yan Duo Lin
  • , Bo Yu Ke
  • , Kun Mu Lee
  • , Sheng Hsiung Chang
  • , Kai Hung Wang
  • , Shih Han Huang
  • , Chun Guey Wu
  • , Po Ting Chou
  • , Samik Jhulki
  • , Jarugu Narasimha Moorthy
  • , Yuan Jay Chang
  • , Kang Ling Liau
  • , Hsin Cheng Chung
  • , Ching Yang Liu
  • , Shih Sheng Sun
  • , Tahsin J. Chow*
  • *Corresponding author for this work
  • Academia Sinica - Institute of Chemistry
  • National Central University
  • Indian Institute of Technology Kanpur
  • Tunghai University
  • Chinese Culture University

Research output: Contribution to journalJournal Article peer-review

50 Scopus citations

Abstract

A new class of hole-transport materials (HTMs) based on the bimesitylene core designed for mesoporous perovskite solar cells is introduced. Devices fabricated using two of these derivatives yield higher open-circuit voltage values than the commonly used spiro-OMeTAD. Power conversion efficiency (PCE) values of up to 12.11 % are obtained in perovskite-based devices using these new HTMs. The stability of the device made using the highest performing HTM (P1) is improved compared with spiro-OMeTAD as evidenced through long-term stability tests over 1000h.

Original languageEnglish
Pages (from-to)274-279
Number of pages6
JournalChemSusChem
Volume9
Issue number3
DOIs
StatePublished - 08 02 2016
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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

Keywords

  • bimesitylenes
  • hole-transporting materials
  • perovskite solar cell
  • stability
  • twisted structure

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