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Fused-ring phenazine building blocks for efficient copolymer donors

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Abstract

Two phenazine copolymer donors P1 and P2 were developed. P1 and P2 have deep highest occupied molecular orbital levels, enhanced light-harvesting capability and good hole mobility. Solar cells based on P2 and a nonfullerene acceptor, Y6, gave a power conversion efficiency (PCE) of 15.14%, which has been the highest value achieved by phenazine-donor-based solar cells to date.

Graphical abstract: Fused-ring phenazine building blocks for efficient copolymer donors

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Article information


Submitted
14 Feb 2020
Accepted
10 Mar 2020
First published
11 Mar 2020

Mater. Chem. Front., 2020, Advance Article
Article type
Research Article

Fused-ring phenazine building blocks for efficient copolymer donors

W. Li, Q. Liu, K. Jin, M. Cheng, F. Hao, W. Wu, S. Liu, Z. Xiao, S. Yang, S. Shi and L. Ding, Mater. Chem. Front., 2020, Advance Article , DOI: 10.1039/D0QM00080A

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