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. 2022 Dec 2;13:7454. doi: 10.1038/s41467-022-34203-x

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — a Contact angle measurement using water for a neat reference and a CB-NH₂-treated perovskite. For the CB-NH₂ treated samples, the contact angle with water is larger. b Passivation stability of CB-NH₂, PEAI, LiF on perovskite film under gradually elevated temperature. c Maximum power point tracking under a 1-sun equivalent intensity of CB-NH₂ based and control PSCs in an inert atmosphere at 26 °C. Source data are provided as a Source Data file.