Issue 46, 2019

A high-performance non-fullerene electron acceptor with bisalkylthiothiophene π-bridges for organic photovoltaics

Abstract

A new non-fullerene small molecule acceptor IDT2ST-4F bearing a bisalkylthiothiophene unit as the π-bridge was designed and synthesized, which exhibited a low optical bandgap of 1.43 eV. The optimized organic solar cells based on PBDB-T:IDT2ST-4F gave a high power conversion efficiency (PCE) of 11.43% with a relatively low energy loss of 0.58 eV.

Graphical abstract: A high-performance non-fullerene electron acceptor with bisalkylthiothiophene π-bridges for organic photovoltaics

Supplementary files

Article information

Article type
Communication
Submitted
19 Sep 2019
Accepted
10 Nov 2019
First published
12 Nov 2019

J. Mater. Chem. C, 2019,7, 14499-14503

A high-performance non-fullerene electron acceptor with bisalkylthiothiophene π-bridges for organic photovoltaics

Z. Wang, K. Huang, X. Chen, Y. Xu, Z. Xu, T. He, S. Yin, H. Qiu, M. Li and Q. Zhang, J. Mater. Chem. C, 2019, 7, 14499 DOI: 10.1039/C9TC05166J

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