Issue 38, 2023

A narrow-bandgap non-fullerene acceptor constructed with an S,N-heteroacene up to a dodecamer in size

Abstract

Two exotic non-fullerene acceptors (JX1 and JX2) were effectively developed, and were designed to include, respectively, decameric and dodecameric S,N-heteroacenes. The tandem coupling of electron-donating and electron-deficient moieties on the molecular skeleton enhanced intramolecular charge transfer dramatically, endowing specifically JX2 with excellent absorption of light of low energy approaching 1000 nm. Finally, a JX2-based device outputs a good PCE of 10.83%, providing a rare yet highly promising molecular platform for achieving efficient OSCs with near-infrared-II absorption.

Graphical abstract: A narrow-bandgap non-fullerene acceptor constructed with an S,N-heteroacene up to a dodecamer in size

Supplementary files

Article information

Article type
Communication
Submitted
05 Jul 2023
Accepted
16 Sep 2023
First published
18 Sep 2023

J. Mater. Chem. C, 2023,11, 12900-12905

A narrow-bandgap non-fullerene acceptor constructed with an S,N-heteroacene up to a dodecamer in size

J. Guo, X. Jia, X. Cao, T. He, H. Liang, W. Shi, Z. Xu, R. Wang, Y. Guo, Z. Yao, X. Wan, G. Long, C. Li and Y. Chen, J. Mater. Chem. C, 2023, 11, 12900 DOI: 10.1039/D3TC02370B

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