Issue 3, 2019
From the journal:

Materials Chemistry Frontiers

Alkoxythiophene and alkylthiothiophene π-bridges enhance the performance of A–D–A electron acceptors†

Lei Zhang,‡ab   Ke Jin,‡b   Zuo Xiao, ORCID logo b   Xingzhu Wang,*a   Tao Wang, ORCID logo *c   Chenyi Yi*d  and  Liming Ding ORCID logo *b  

* Corresponding authors

a College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
E-mail: xzwang@xtu.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: ding@nanoctr.cn

c School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
E-mail: twang@whut.edu.cn

d Department of Electrical Engineering, Tsinghua University, Beijing 100084, China
E-mail: yicy@tsinghua.edu.cn

Abstract

Three nonfullerene acceptors CO5DFIC, CO5DFIC-OT and CO5DFIC-ST were developed. CO5DFIC-OT and CO5DFIC-ST have alkoxythiophene and alkylthiothiophene π-bridges, respectively, and they show higher LUMO levels and enhanced light-harvesting capability compared to CO5DFIC without π-bridges. CO5DFIC-OT and CO5DFIC-ST solar cells gave higher open-circuit voltage, short-circuit current density and power conversion efficiency than CO5DFIC cells.

Graphical abstract: Alkoxythiophene and alkylthiothiophene π-bridges enhance the performance of A–D–A electron acceptors

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Article information

DOI
https://doi.org/10.1039/C8QM00647D
Article type
Research Article
Submitted
17 Dec 2018
Accepted
14 Jan 2019
First published
17 Jan 2019

Mater. Chem. Front., 2019,3, 492-495

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Alkoxythiophene and alkylthiothiophene π-bridges enhance the performance of A–D–A electron acceptors

L. Zhang, K. Jin, Z. Xiao, X. Wang, T. Wang, C. Yi and L. Ding, Mater. Chem. Front., 2019, 3, 492 DOI: 10.1039/C8QM00647D

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