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

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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

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Publication details

The article was received on 07 Oct 2019, accepted on 01 Nov 2019 and first published on 04 Nov 2019


Article type: Research Article
DOI: 10.1039/C9QM00622B
Mater. Chem. Front., 2019, Advance Article

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    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, Advance Article , DOI: 10.1039/C9QM00622B

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