Issue 16, 2021

A large-bandgap copolymer donor for efficient ternary organic solar cells

Abstract

A 2.18 eV bandgap copolymer donor C1 based on a fused-ring unit phenanthro[9,10-c][1,2,5]thiadiazole (PT) was developed for 2D1A ternary organic solar cells. Incorporating a small amount of C1 into the L1:N3 blend deepened the HOMO of donor side, enhanced light absorption from N3, balanced hole/electron transport and optimized film mophogolgy, leading to an improved power conversion efficiency of 16.32%.

Graphical abstract: A large-bandgap copolymer donor for efficient ternary organic solar cells

Supplementary files

Article information

Article type
Research Article
Submitted
07 iyn 2021
Accepted
06 iyl 2021
First published
06 iyl 2021

Mater. Chem. Front., 2021,5, 6139-6144

A large-bandgap copolymer donor for efficient ternary organic solar cells

Y. Luo, X. Chen, Z. Xiao, S. Liu, M. Yin and L. Ding, Mater. Chem. Front., 2021, 5, 6139 DOI: 10.1039/D1QM00835H

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