Issue 16, 2021
From the journal:

Materials Chemistry Frontiers

A large-bandgap copolymer donor for efficient ternary organic solar cells†

Yue Luo,‡ab   Xiujuan Chen,‡bc   Zuo Xiao, ORCID logo *b   Shengjian Liu, ORCID logo *a   Meizhen Yin ORCID logo *c  and  Liming Ding ORCID logo *b  

* Corresponding authors

a School of Chemistry, South China Normal University, Guangzhou 510006, China
E-mail: shengjian.liu@m.scnu.edu.cn

b Center for Excellence in Nanoscience (CAS), Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS), National Center for Nanoscience and Technology, Beijing 100190, China
E-mail: xiaoz@nanoctr.cn, ding@nanoctr.cn

c School of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
E-mail: yinmz@mail.buct.edu.cn

Abstract

A 2.18 eV bandgap copolymer donor C1 based on a fused-ring unit phenanthro[9,10-c][1,2,5]thiadiazole (PT) was developed for 2D1A ternary organic solar cells. Incorporating a small amount of C1 into the L1:N3 blend deepened the HOMO of donor side, enhanced light absorption from N3, balanced hole/electron transport and optimized film mophogolgy, leading to an improved power conversion efficiency of 16.32%.

Graphical abstract: A large-bandgap copolymer donor for efficient ternary organic solar cells

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Article information

DOI
https://doi.org/10.1039/D1QM00835H
Article type
Research Article
Submitted
07 iyn 2021
Accepted
06 iyl 2021
First published
06 iyl 2021

Mater. Chem. Front., 2021,5, 6139-6144

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A large-bandgap copolymer donor for efficient ternary organic solar cells

Y. Luo, X. Chen, Z. Xiao, S. Liu, M. Yin and L. Ding, Mater. Chem. Front., 2021, 5, 6139 DOI: 10.1039/D1QM00835H

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