Issue 52, 2021
From the journal:

Chemical Communications

A star-shaped cyclopentadithiophene-based dopant-free hole-transport material for high-performance perovskite solar cells†

Kun-Mu Lee,abc   Jui-Yu Yang,d   Ping-Sheng Lai,e   Ke-Jyun Luo,d   Ting-Yu Yang,d   Kang-Ling Liau,f   Seid Yimer Abate ORCID logo g  and  Yan-Duo Lin ORCID logo *d  

* Corresponding authors

a Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 33302, Taiwan

b Division of Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, Linkou Taoyuan 33305, Taiwan

c Center for Green Technology, Chang Gung University, Taoyuan 33302, Taiwan

d Department of Chemistry, Soochow University, Taipei 11102, Taiwan
E-mail: ydlin@scu.edu.tw

e Department of Applied Chemistry, National Chiayi University, Chiayi 60004, Taiwan

f Department of Chemistry, National Central University, Taoyuan 32001, Taiwan

g Institute of Chemistry, Academia Sinica, Taipei 115024, Taiwan

Abstract

A new cyclopentadithiophene (CPDT)-based organic small molecule serves as an efficient dopant-free hole transport material (HTM) for perovskite solar cells (PSCs). Upon incorporation of two carbazole groups, the resulting CPDT-based HTM (C-CPDT) shows an impressive power conversion efficiency (PCE) of 19.68% with better stability compared with those of spiro-OMeTAD.

Graphical abstract: A star-shaped cyclopentadithiophene-based dopant-free hole-transport material for high-performance perovskite solar cells

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Article information

DOI
https://doi.org/10.1039/D1CC02396A
Article type
Communication
Submitted
06 May 2021
Accepted
01 Jun 2021
First published
01 Jun 2021

Chem. Commun., 2021,57, 6444-6447

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A star-shaped cyclopentadithiophene-based dopant-free hole-transport material for high-performance perovskite solar cells

K. Lee, J. Yang, P. Lai, K. Luo, T. Yang, K. Liau, S. Y. Abate and Y. Lin, Chem. Commun., 2021, 57, 6444 DOI: 10.1039/D1CC02396A

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