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. 2023 May 9;14:2664. doi: 10.1038/s41467-023-37776-3

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© The Author(s) 2023

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. 5 — STEM images of a Pt/CeO₂-CO, b Pt/CeO₂-CO-O₂, d Pt_ATCeO₂-CO, and e Pt_ATCeO₂-CO-O₂. Light-off curves of reduced and reoxidized c Pt/CeO₂ and f Pt_ATCeO₂. g Ce 3d XPS spectra of Pt/CeO₂-CO and Pt_ATCeO₂-CO; XPS data are collected after treatment without exposure to air. h Reaction orders in CO and O₂ for Pt/CeO₂ and Pt_ATCeO₂ in three states. i T₅₀ results of Pt/CeO₂ and Pt_ATCeO₂ after a sequential reductive-oxidative cycle. Reaction conditions in (c, f, i) are the same as that in Fig. 3a.