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Imaging the facet surface strain state of supported multi-faceted Pt nanoparticles during reaction

Author

Listed:
  • Maxime Dupraz

    (Univ. Grenoble Alpes, CEA Grenoble, IRIG, MEM, NRS
    ESRF - The European Synchrotron)

  • Ni Li

    (Univ. Grenoble Alpes, CEA Grenoble, IRIG, MEM, NRS
    ESRF - The European Synchrotron)

  • Jérôme Carnis

    (ESRF - The European Synchrotron
    Aix Marseille Université, CNRS, Université de Toulon, IM2NP UMR 7334)

  • Longfei Wu

    (ESRF - The European Synchrotron
    Aix Marseille Université, CNRS, Université de Toulon, IM2NP UMR 7334)

  • Stéphane Labat

    (Aix Marseille Université, CNRS, Université de Toulon, IM2NP UMR 7334)

  • Corentin Chatelier

    (Univ. Grenoble Alpes, CEA Grenoble, IRIG, MEM, NRS
    ESRF - The European Synchrotron)

  • Rim Poll

    (Eindhoven University of Technology)

  • Jan P. Hofmann

    (Eindhoven University of Technology
    Technical University of Darmstadt)

  • Ehud Almog

    (Technion-Israel Institute of Technology)

  • Steven J. Leake

    (ESRF - The European Synchrotron)

  • Yves Watier

    (ESRF - The European Synchrotron)

  • Sergey Lazarev

    (Deutsches Elektronen-Synchrotron (DESY))

  • Fabian Westermeier

    (Deutsches Elektronen-Synchrotron (DESY))

  • Michael Sprung

    (Deutsches Elektronen-Synchrotron (DESY))

  • Emiel J. M. Hensen

    (Eindhoven University of Technology)

  • Olivier Thomas

    (Aix Marseille Université, CNRS, Université de Toulon, IM2NP UMR 7334)

  • Eugen Rabkin

    (Technion-Israel Institute of Technology)

  • Marie-Ingrid Richard

    (Univ. Grenoble Alpes, CEA Grenoble, IRIG, MEM, NRS
    ESRF - The European Synchrotron)

Abstract

Nanostructures with specific crystallographic planes display distinctive physico-chemical properties because of their unique atomic arrangements, resulting in widespread applications in catalysis, energy conversion or sensing. Understanding strain dynamics and their relationship with crystallographic facets have been largely unexplored. Here, we reveal in situ, in three-dimensions and at the nanoscale, the volume, surface and interface strain evolution of single supported platinum nanocrystals during reaction using coherent x-ray diffractive imaging. Interestingly, identical {hkl} facets show equivalent catalytic response during non-stoichiometric cycles. Periodic strain variations are rationalised in terms of O2 adsorption or desorption during O2 exposure or CO oxidation under reducing conditions, respectively. During stoichiometric CO oxidation, the strain evolution is, however, no longer facet dependent. Large strain variations are observed in localised areas, in particular in the vicinity of the substrate/particle interface, suggesting a significant influence of the substrate on the reactivity. These findings will improve the understanding of dynamic properties in catalysis and related fields.

Suggested Citation

  • Maxime Dupraz & Ni Li & Jérôme Carnis & Longfei Wu & Stéphane Labat & Corentin Chatelier & Rim Poll & Jan P. Hofmann & Ehud Almog & Steven J. Leake & Yves Watier & Sergey Lazarev & Fabian Westermeier , 2022. "Imaging the facet surface strain state of supported multi-faceted Pt nanoparticles during reaction," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-30592-1
    DOI: 10.1038/s41467-022-30592-1
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    References listed on IDEAS

    as
    1. Dongjin Kim & Myungwoo Chung & Jerome Carnis & Sungwon Kim & Kyuseok Yun & Jinback Kang & Wonsuk Cha & Mathew J. Cherukara & Evan Maxey & Ross Harder & Kiran Sasikumar & Subramanian Sankaranarayanan &, 2018. "Active site localization of methane oxidation on Pt nanocrystals," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
    2. J.N. Clark & X. Huang & R. Harder & I.K. Robinson, 2012. "High-resolution three-dimensional partially coherent diffraction imaging," Nature Communications, Nature, vol. 3(1), pages 1-6, January.
    3. Aline R. Passos & Amélie Rochet & Luiza M. Manente & Ana F. Suzana & Ross Harder & Wonsuk Cha & Florian Meneau, 2020. "Three-dimensional strain dynamics govern the hysteresis in heterogeneous catalysis," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    4. D.W. Goodman, 1994. "Catalysis By Metals: From Extended Single Crystals To Small Clusters," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 1(04), pages 449-455.
    5. A. Sharma & J. Hickman & N. Gazit & E. Rabkin & Y. Mishin, 2018. "Nickel nanoparticles set a new record of strength," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
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