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Improved stability of β-CsPbI3 inorganic perovskite using π-conjugated bifunctional surface capped organic cations for high performance photovoltaics

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Abstract

Multiple-ring naphthalenediammonium is employed for the first time to overcome the intrinsic instability of β-CsPbI3 perovskite via anchoring the ammonium groups occupying A-site vacancies. It improves charge transport and moisture stability giving out a champion power conversion efficiency of 16.69% for an excellent inorganic perovskite solar cell.

Graphical abstract: Improved stability of β-CsPbI3 inorganic perovskite using π-conjugated bifunctional surface capped organic cations for high performance photovoltaics

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Article information


Submitted
07 Aug 2020
Accepted
08 Oct 2020
First published
09 Oct 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Improved stability of β-CsPbI3 inorganic perovskite using π-conjugated bifunctional surface capped organic cations for high performance photovoltaics

J. Zhang, J. Liu, A. Tan, J. Piao and Z. Fu, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC05386D

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