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Looping metal-support interaction in heterogeneous catalysts during redox reactions

Author

Listed:
  • Yue Pan

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Shiyu Zhen

    (Tsinghua University)

  • Xiaozhi Liu

    (Chinese Academy of Sciences)

  • Mengshu Ge

    (Chinese Academy of Sciences)

  • Jianxiong Zhao

    (Chinese Academy of Sciences)

  • Lin Gu

    (Tsinghua University)

  • Dan Zhou

    (DENSsolutions B.V.
    Leibniz Institute for Crystal Growth)

  • Liang Zhang

    (Tsinghua University)

  • Dong Su

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

Abstract

Metal-support interfaces fundamentally govern the catalytic performance of heterogeneous systems through complex interactions. Here, utilizing operando transmission electron microscopy, we uncover a looping metal-support interaction in NiFe-Fe3O4 catalysts during the hydrogen oxidation reaction. At the NiFe-Fe3O4 interfaces, lattice oxygens react with NiFe-activated H atoms, gradually sacrificing themselves and resulting in dynamically migrating interfaces. Meanwhile, reduced iron atoms migrate to the {111} surface of Fe3O4 support and react with oxygen molecules. Consequently, the hydrogen oxidation reaction separates spatially on a single nanoparticle and is intrinsically coupled with the redox reaction of the Fe3O4 support through the dynamic migration of metal-support interfaces. Our work provides previously unidentified mechanistic insight into metal-support interactions and underscores the transformative potential of operando methodologies for studying atomic-scale dynamics.

Suggested Citation

  • Yue Pan & Shiyu Zhen & Xiaozhi Liu & Mengshu Ge & Jianxiong Zhao & Lin Gu & Dan Zhou & Liang Zhang & Dong Su, 2025. "Looping metal-support interaction in heterogeneous catalysts during redox reactions," Nature Communications, Nature, vol. 16(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-63646-1
    DOI: 10.1038/s41467-025-63646-1
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    References listed on IDEAS

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    1. Arik Beck & Xing Huang & Luca Artiglia & Maxim Zabilskiy & Xing Wang & Przemyslaw Rzepka & Dennis Palagin & Marc-Georg Willinger & Jeroen A. van Bokhoven, 2020. "The dynamics of overlayer formation on catalyst nanoparticles and strong metal-support interaction," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    2. Shengnan Yue & C. S. Praveen & Alexander Klyushin & Alexey Fedorov & Masahiro Hashimoto & Qian Li & Travis Jones & Panpan Liu & Wenqian Yu & Marc-Georg Willinger & Xing Huang, 2024. "Redox dynamics and surface structures of an active palladium catalyst during methane oxidation," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    3. Yuri Suchorski & Martin Datler & Ivan Bespalov & Johannes Zeininger & Michael Stöger-Pollach & Johannes Bernardi & Henrik Grönbeck & Günther Rupprechter, 2018. "Visualizing catalyst heterogeneity by a multifrequential oscillating reaction," Nature Communications, Nature, vol. 9(1), pages 1-6, December.
    4. Jing Cao & Ali Rinaldi & Milivoj Plodinec & Xing Huang & Elena Willinger & Adnan Hammud & Stefan Hieke & Sebastian Beeg & Luca Gregoratti & Claudiu Colbea & Robert Schlögl & Markus Antonietti & Mark G, 2020. "In situ observation of oscillatory redox dynamics of copper," Nature Communications, Nature, vol. 11(1), pages 1-11, December.
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