Design and Synthesis of a Low Bandgap Small Molecule Acceptor for Efficient Polymer Solar Cells | Zendy

Yao Huifeng | Zendy; Chen Yu | Zendy; Qin Yunpeng | Zendy; Yu Runnan | Zendy; Cui Yong | Zendy; Yang Bei | Zendy; Li Sunsun | Zendy; Zhang Kai | Zendy; Hou Jianhui | Zendy

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Design and Synthesis of a Low Bandgap Small Molecule Acceptor for Efficient Polymer Solar Cells

Author(s) -

Yao Huifeng,

Chen Yu,

Qin Yunpeng,

Yu Runnan,

Cui Yong,

Yang Bei,

Li Sunsun,

Zhang Kai,

Hou Jianhui

Publication year - 2016

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201602642

Subject(s) - materials science , band gap , conjugated system , polymer , polymer solar cell , homo/lumo , acceptor , fullerene , alkoxy group , molecule , tandem , organic solar cell , energy conversion efficiency , electron acceptor , small molecule , hybrid solar cell , photochemistry , optoelectronics , nanotechnology , organic chemistry , alkyl , chemistry , physics , composite material , condensed matter physics , biochemistry

A novel non‐fullerene acceptor , possessing a very low bandgap of 1.34 eV and a high‐lying lowest unoccupied molecular orbital level of −3.95 eV, is designed and synthesized by introducing electron‐donating alkoxy groups to the backbone of a conjugated small molecule. Impressive power conversion efficiencies of 8.4% and 10.7% are obtained for fabricated single and tandem polymer solar cells.

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