Issue 3, 2019

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

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

Supplementary files

Article information

Article type
Research Article
Submitted
17 Dec 2018
Accepted
14 Jan 2019
First published
17 Jan 2019

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

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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