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Cited by 423

The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

Unveiling facet-dependent degradation and facet engineering for stable perovskite solar cells

Open access
Ma, Chunqing, Eickemeyer, Felix T., Lee, Sun-Ho, Kang, Dong-Ho, Kwon, Seok Joon, Grätzel, Michael, Park, Nam-Gyu·2023·Science

Abstract

A myriad of studies and strategies have already been devoted to improving the stability of perovskite films; however, the role of the different perovskite crystal facets in stability is still unknown. Here, we reveal the underlying mechanisms of facet-dependent degradation of formamidinium lead iodide (FAPbI 3 ) films. We show that the (100) facet is substantially more vulnerable to moisture-induced degradation than the (111) facet. With combined experimental and theoretical studies, the degradation mechanisms are revealed; a strong water adhesion following an elongated lead-iodine (Pb-I) bond distance is observed, which leads to a δ-phase transition on the (100) facet. Through engineering, a higher surface fraction of the (111) facet can be achieved, and the (111)-dominated crystalline FAPbI 3 films show exceptional stability against moisture. Our findings elucidate unknown facet-dependent degradation mechanisms and kinetics.

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Metadata

Authors
Ma, C., Eickemeyer, F. T., Lee, S.-H., Kang, D.-H., Kwon, S. J., Grätzel, M., & Park, N.-G.
Venue
Science
Published
2023-01-13
Volume
379
Issue
6628
Pages
173-178
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W4315784192
Cited by
423
References
41
FWCI
31.01
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Unveiling facet-dependent degradation and facet engineering for stable perovskite solar cells. https://app.cochat.ai/papers/10.1126/science.adf3349
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Ma, C., Eickemeyer, F. T., Lee, S.-H., Kang, D.-H., Kwon, S. J., Grätzel, M., & Park, N.-G. (2023). Unveiling facet-dependent degradation and facet engineering for stable perovskite solar cells. Science. https://doi.org/10.1126/science.adf3349

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.