Issue 7, 2020

Non-fullerene organic solar cells based on a BODIPY-polymer as electron donor with high photocurrent

Abstract

Boron dipyrromethene (BODIPY)-based conjugated materials can show absorption spectra in the near-infrared (NIR) region, but organic solar cells (OSCs) based on these materials as donors provide an unsatisfactory photo-response, low photocurrent and hence low performance. Herein, a small band gap BODIPY-polymer as a donor combined with a fused ring electron acceptor was applied into non-fullerene OSCs, producing a broad photo-response from 300 nm to 1000 nm and hence a high short-circuit current density of over 21 mA cm−2. As a consequence, a record efficiency of 9.86% was obtained for the BODIPY-polymer, indicating its potential applications in semitransparent devices.

Graphical abstract: Non-fullerene organic solar cells based on a BODIPY-polymer as electron donor with high photocurrent

Supplementary files

Article information

Article type
Communication
Submitted
07 ⴽⵜⵓ 2019
Accepted
17 ⵉⵏⵏ 2020
First published
18 ⵉⵏⵏ 2020

J. Mater. Chem. C, 2020,8, 2232-2237

Non-fullerene organic solar cells based on a BODIPY-polymer as electron donor with high photocurrent

B. Liu, Z. Ma, Y. Xu, Y. Guo, F. Yang, D. Xia, C. Li, Z. Tang and W. Li, J. Mater. Chem. C, 2020, 8, 2232 DOI: 10.1039/C9TC05480D

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