Phenylalkylamine Passivation of Organolead Halide Perovskites Enabling High‐Efficiency and Air‐Stable Photovoltaic Cells | Zendy

Wang Feng | Zendy; Geng Wei | Zendy; Zhou Yang | Zendy; Fang HongHua | Zendy; Tong ChuanJia | Zendy; Loi Maria Antonietta | Zendy; Liu LiMin | Zendy; Zhao Ni | Zendy

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Phenylalkylamine Passivation of Organolead Halide Perovskites Enabling High‐Efficiency and Air‐Stable Photovoltaic Cells

Author(s) -

Wang Feng,

Geng Wei,

Zhou Yang,

Fang HongHua,

Tong ChuanJia,

Loi Maria Antonietta,

Liu LiMin,

Zhao Ni

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.201603062

Subject(s) - passivation , perovskite (structure) , halide , materials science , photovoltaic system , iodide , benzylamine , nanotechnology , chemical engineering , inorganic chemistry , chemistry , electrical engineering , organic chemistry , engineering , layer (electronics)

Benzylamine is introduced as a surface passivation molecule that improves the moisture‐resistance of the perovskites while simultaneously enhancing their electronic properties. Solar cells based on benzylamine‐modified formamidinium lead iodide perovskite films exhibit a champion efficiency of 19.2% and an open‐circuit voltage of 1.12 V. The modified FAPbI 3 films exhibit no degradation after >2800 h air exposure.

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