A Wide Bandgap Polymer with Strong π–π Interaction for Efficient Fullerene‐Free Polymer Solar Cells | Zendy

Yao Huifeng | Zendy; Yu Runnan | Zendy; Shin Tae Joo | Zendy; Zhang Hao | Zendy; Zhang Shaoqing | Zendy; Jang Bomee | Zendy; Uddin Mohammad Afsar | Zendy; Woo Han Young | Zendy; Hou Jianhui | Zendy

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A Wide Bandgap Polymer with Strong π–π Interaction for Efficient Fullerene‐Free Polymer Solar Cells

Author(s) -

Yao Huifeng,

Yu Runnan,

Shin Tae Joo,

Zhang Hao,

Zhang Shaoqing,

Jang Bomee,

Uddin Mohammad Afsar,

Woo Han Young,

Hou Jianhui

Publication year - 2016

Publication title -

advanced energy materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.08

H-Index - 220

eISSN - 1614-6840

pISSN - 1614-6832

DOI - 10.1002/aenm.201600742

Subject(s) - materials science , fullerene , band gap , polymer , optoelectronics , acceptor , energy conversion efficiency , nanotechnology , composite material , organic chemistry , physics , chemistry , condensed matter physics

A wide bandgap polymer donor PBDTS‐DTBTO is designed and synthesized, which shows an optical bandgap of 1.76 eV and strong π–π interaction. By using a low‐bandgap acceptor ITIC, power conversion efficiency over 9% is achieved in the fullerene‐free polymer solar cells (PSC) device. Furthermore, the PSC devices fabricated by PBDTS‐DTBTO:ITIC show relatively small sensitivity to variations of the active layer thickness.

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