A Wide-Band Gap Copolymer Donor for Efficient Fullerene-Free Solar Cells | Zendy

Jingyi Zhu | Zendy; Qishi Liu | Zendy; Dan Li | Zendy; Zuo Xiao | Zendy; Yu Chen | Zendy; Yong Hua | Zendy; Shangfeng Yang | Zendy; Liming Ding | Zendy

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A Wide-Band Gap Copolymer Donor for Efficient Fullerene-Free Solar Cells

Author(s) -

Jingyi Zhu,

Qishi Liu,

Dan Li,

Zuo Xiao,

Yu Chen,

Yong Hua,

Shangfeng Yang,

Liming Ding

Publication year - 2019

Publication title -

acs omega

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.9b01363

Subject(s) - energy conversion efficiency , fullerene , materials science , copolymer , quenching (fluorescence) , band gap , current density , optoelectronics , solar cell , optics , composite material , chemistry , fluorescence , physics , polymer , organic chemistry , quantum mechanics

The performance of a wide-band gap copolymer donor PDTPO-BDTT in nonfullerene solar cells was investigated. These solar cells presented broad photoresponse and high short-circuit current density. PDTPO-BDTT:IT-4F and PDTPO-BDTT:NNFA-4F solar cells with more efficient photoluminescence quenching and better film morphology gave decent power conversion efficiencies of 10.96 and 10.04%, respectively, which are much higher than those of the previously reported PDTPO-BDTT:fullerene solar cells.

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