An Azulene‐Containing Low Bandgap Small Molecule for Organic Photovoltaics with High Open‐Circuit Voltage | Zendy

Chen Yao | Zendy; Zhu Youqin | Zendy; Yang Daobin | Zendy; Zhao Suling | Zendy; Zhang Lei | Zendy; Yang Lin | Zendy; Wu Jianglin | Zendy; Huang Yan | Zendy; Xu Zheng | Zendy; Lu Zhiyun | Zendy

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An Azulene‐Containing Low Bandgap Small Molecule for Organic Photovoltaics with High Open‐Circuit Voltage

Author(s) -

Chen Yao,

Zhu Youqin,

Yang Daobin,

Zhao Suling,

Zhang Lei,

Yang Lin,

Wu Jianglin,

Huang Yan,

Xu Zheng,

Lu Zhiyun

Publication year - 2016

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.201603399

Subject(s) - azulene , band gap , materials science , open circuit voltage , optoelectronics , organic solar cell , photovoltaics , voltage , photovoltaic system , photochemistry , chemistry , electrical engineering , polymer , composite material , engineering

A simple azulene‐containing squaraine dye ( AzUSQ ) showing bandgap of 1.38 eV and hole mobility up to 1.25×10 −4 cm 2 V −1 s −1 was synthesized. With its low bandgap, an organic photovoltaic (OPV) device based on it has been made that exhibits an impressive open‐circuit voltages ( V oc ) of 0.80 V. Hence, azulene might be a promising structural unit to construct OPV materials with simultaneous low bandgap, high hole mobility and high V oc .

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