Catalytic role of H 2 O in degradation of inorganic–organic perovskite (CH 3 NH 3 PbI 3 ) in air | Zendy

Wei Wei | Zendy; Hu Yun Hang | Zendy

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Catalytic role of H 2 O in degradation of inorganic–organic perovskite (CH 3 NH 3 PbI 3 ) in air

Author(s) -

Wei Wei,

Hu Yun Hang

Publication year - 2016

Publication title -

international journal of energy research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.808

H-Index - 95

eISSN - 1099-114X

pISSN - 0363-907X

DOI - 10.1002/er.3680

Subject(s) - perovskite (structure) , degradation (telecommunications) , catalysis , decomposition , amorphous solid , materials science , chemistry , phase (matter) , inorganic chemistry , chemical engineering , mineralogy , crystallography , organic chemistry , telecommunications , computer science , engineering

Summary Degradation of inorganic–organic perovskite films in ambient condition is a critical issue for the application of perovskite solar cells. Herein, it is the first time to report the catalytic role of H 2 O in the degradation of CH 3 NH 3 PbI 3 perovskite by air of high humidity. It was found that H 2 O can catalyze the decomposition of CH 3 NH 3 PbI 3 into CH 3 NH 3 I and PbI 2 , and then the crystal‐to‐amorphous phase transformation of the produced CH 3 NH 3 I. Copyright © 2016 John Wiley & Sons, Ltd.

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