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

Maxime Dupraz; Ni Li; Jérôme Carnis; Longfei Wu; Stéphane Labat; Corentin Chatelier; Rim van de Poll; Jan P. Hofmann; Ehud Almog; Steven J. Leake; Yves Watier; Sergey Lazarev; Fabian Westermeier; Michael Sprung; Emiel J.M. Hensen; Olivier Thomas; Eugen Rabkin; Marie Ingrid Richard

doi:10.1038/s41467-022-30592-1

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

Maxime Dupraz, Ni Li, Jérôme Carnis, Longfei Wu, Stéphane Labat, Corentin Chatelier, Rim van de Poll, Jan P. Hofmann, Ehud Almog, Steven J. Leake, Yves Watier, Sergey Lazarev, Fabian Westermeier, Michael Sprung, Emiel J.M. Hensen, Olivier Thomas, Eugen Rabkin, Marie Ingrid Richard

Materials Science & Engineering

Technion - Israel Institute of Technology

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Article number	3003
Journal	Nature Communications
Volume	13
Issue number	1
DOIs	https://doi.org/10.1038/s41467-022-30592-1
State	Published - Dec 2022

All Science Journal Classification (ASJC) codes

General Chemistry
General Biochemistry,Genetics and Molecular Biology
General Physics and Astronomy

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Dupraz, M., Li, N., Carnis, J., Wu, L., Labat, S., Chatelier, C., van de Poll, R., Hofmann, J. P., Almog, E., Leake, S. J., Watier, Y., Lazarev, S., Westermeier, F., Sprung, M., Hensen, E. J. M., Thomas, O., Rabkin, E., & Richard, M. I. (2022). Imaging the facet surface strain state of supported multi-faceted Pt nanoparticles during reaction. Nature Communications, 13(1), Article 3003. https://doi.org/10.1038/s41467-022-30592-1

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title = "Imaging the facet surface strain state of supported multi-faceted Pt nanoparticles during reaction",

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.",

author = "Maxime Dupraz and Ni Li and J{\'e}r{\^o}me Carnis and Longfei Wu and St{\'e}phane Labat and Corentin Chatelier and \{van de Poll\}, Rim and Hofmann, \{Jan P.\} and Ehud Almog and Leake, \{Steven J.\} and Yves Watier and Sergey Lazarev and Fabian Westermeier and Michael Sprung and Hensen, \{Emiel J.M.\} and Olivier Thomas and Eugen Rabkin and Richard, \{Marie Ingrid\}",

note = "Publisher Copyright: {\textcopyright} 2022, The Author(s).",

year = "2022",

month = dec,

doi = "10.1038/s41467-022-30592-1",

language = "الإنجليزيّة",

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journal = "Nature Communications",

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Dupraz, M, Li, N, Carnis, J, Wu, L, Labat, S, Chatelier, C, van de Poll, R, Hofmann, JP, Almog, E, Leake, SJ, Watier, Y, Lazarev, S, Westermeier, F, Sprung, M, Hensen, EJM, Thomas, O, Rabkin, E & Richard, MI 2022, 'Imaging the facet surface strain state of supported multi-faceted Pt nanoparticles during reaction', Nature Communications, vol. 13, no. 1, 3003. https://doi.org/10.1038/s41467-022-30592-1

TY - JOUR

T1 - Imaging the facet surface strain state of supported multi-faceted Pt nanoparticles during reaction

AU - Dupraz, Maxime

AU - Li, Ni

AU - Carnis, Jérôme

AU - Wu, Longfei

AU - Labat, Stéphane

AU - Chatelier, Corentin

AU - van de Poll, Rim

AU - Hofmann, Jan P.

AU - Almog, Ehud

AU - Leake, Steven J.

AU - Watier, Yves

AU - Lazarev, Sergey

AU - Westermeier, Fabian

AU - Sprung, Michael

AU - Hensen, Emiel J.M.

AU - Thomas, Olivier

AU - Rabkin, Eugen

AU - Richard, Marie Ingrid

PY - 2022/12

Y1 - 2022/12

N2 - 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.

AB - 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.

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DO - 10.1038/s41467-022-30592-1

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SN - 2041-1723

VL - 13

JO - Nature Communications

JF - Nature Communications

IS - 1

M1 - 3003

ER -

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

Abstract

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