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Issue 7, 2020
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Non-fullerene organic solar cells based on a BODIPY-polymer as electron donor with high photocurrent

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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

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Supplementary files

Article information


Submitted
07 Oct 2019
Accepted
17 Jan 2020
First published
18 Jan 2020

J. Mater. Chem. C, 2020,8, 2232-2237
Article type
Communication

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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