Journal
ENERGY TECHNOLOGY
Volume 11, Issue 4, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ente.202201475
Keywords
3D; 2D heterostructures; degradation mechanisms; moisture stability; perovskites
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This article reviews the effects of moisture on halide perovskite films, including the degradation mechanism and methods to enhance stability. The benefits of incorporating a certain amount of water into perovskite films are discussed, as well as the moisture-induced structural degradation and decomposition process. The methods to enhance moisture stability, particularly 3D/2D heterostructures, are also highlighted.
To date, remarkable progress has been achieved in the power conversion efficiency of perovskite solar cells (PSCs). Nevertheless, the instability and degradation of PSCs under external stimuli still shadow the prospectus of their commercialization. As a notorious culprit deteriorating the stability of PSCs, moisture-induced degradation is thereby an important aspect. Herein, a comprehensive review of moisture effects on the halide perovskite film, in particular the moisture-induced degradation mechanism and methods toward enhancing the stability, is discussed. In detail, the benefits for perovskite films having a certain amount of water incorporation are elucidated, and the underlying moisture-induced structural degradation and decomposition process of perovskites are summarized. Light is also shed on the methods to enhance the moisture stability of perovskites, particularly a 3D/2D heterostructure. Thereby, this review will enlighten the readers of understanding moisture-induced degradation and the development of stable perovskites.
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