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Cited by 317

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The dynamics of overlayer formation on catalyst nanoparticles and strong metal-support interaction

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Beck, Arik, Huang, Xing, Artiglia, Luca, Zabilskiy, Maxim, Wang, Xing, Rzepka, Przemyslaw, Palagin, Dennis, Willinger, Marc-Georg, van Bokhoven, Jeroen A.·2020·Nature Communications
DOI 10.1038/s41467-020-17070-2
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Abstract

Heterogeneous catalysts play a pivotal role in the chemical industry. The strong metal-support interaction (SMSI), which affects the catalytic activity, is a phenomenon researched for decades. However, detailed mechanistic understanding on real catalytic systems is lacking. Here, this surface phenomenon was studied on an actual platinum-titania catalyst by state-of-the-art in situ electron microscopy, in situ X-ray photoemission spectroscopy and in situ X-ray diffraction, aided by density functional theory calculations, providing a novel real time view on how the phenomenon occurs. The migration of reduced titanium oxide, limited in thickness, and the formation of an alloy are competing mechanisms during high temperature reduction. Subsequent exposure to oxygen segregates the titanium from the alloy, and a thicker titania overlayer forms. This role of oxygen in the formation process and stabilization of the overlayer was not recognized before. It provides new application potential in catalysis and materials science.

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Metadata

Authors
Beck, A., Huang, X., Artiglia, L., Zabilskiy, M., Wang, X., Rzepka, P., Palagin, D., Willinger, M.-G., & van Bokhoven, J. A.
Venue
Nature Communications
Publisher
Springer Science and Business Media LLC
Published
2020-06-26
Volume
11
Issue
1
Pages
3220-3220
ISSN
2041-1723 (ISSN-L)
DOI
10.1038/s41467-020-17070-2
OpenAlex
W3037837763
Cited by
317
References
4
FWCI
13.89
Type
journal article
Language
en
Open access
gold
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CoChat. (2026). Citation check: The dynamics of overlayer formation on catalyst nanoparticles and strong metal-support interaction. https://app.cochat.ai/papers/10.1038/s41467-020-17070-2
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Beck, A., Huang, X., Artiglia, L., Zabilskiy, M., Wang, X., Rzepka, P., Palagin, D., Willinger, M.-G., & van Bokhoven, J. A. (2020). The dynamics of overlayer formation on catalyst nanoparticles and strong metal-support interaction. Nature Communications. https://doi.org/10.1038/s41467-020-17070-2

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