Issue 12, 2019

A wide-bandgap copolymer donor based on a phenanthridin-6(5H)-one unit

Abstract

A wide-bandgap copolymer donor PPN4T-2F based on a phenanthridin-6(5H)-one unit was developed. PPN4T-2F has a large optical bandgap of 2.15 eV and a deep highest occupied molecular orbital level of −5.43 eV. Solar cells based on PPN4T-2F and a nonfullerene acceptor, IT-4F, afforded a power conversion efficiency (PCE) of 8.54%. PPN4T-2F is comparable to the efficient ultra-wide-bandgap copolymer donors.

Graphical abstract: A wide-bandgap copolymer donor based on a phenanthridin-6(5H)-one unit

Supplementary files

Article information

Article type
Research Article
Submitted
07 Okt 2019
Accepted
01 Nov 2019
First published
04 Nov 2019

Mater. Chem. Front., 2019,3, 2686-2689

A wide-bandgap copolymer donor based on a phenanthridin-6(5H)-one unit

J. Wang, Y. Gao, Z. Xiao, X. Meng, L. Zhang, L. Liu, C. Zuo, S. Yang, Y. Zou, J. Yang, S. Shi and L. Ding, Mater. Chem. Front., 2019, 3, 2686 DOI: 10.1039/C9QM00622B

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