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  Pattern Formation in Catalytic H2 Oxidation on Rh: Zooming in by Correlative Microscopy

Zeininger, J., Winkler, P., Raab, M., Suchorski, Y., Prieto, M., Tanase, L. C., et al. (2022). Pattern Formation in Catalytic H2 Oxidation on Rh: Zooming in by Correlative Microscopy. ACS Catalysis, 12(19), 11974-11983. doi:10.1021/acscatal.2c03692.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000B-3CB5-6 Version Permalink: https://hdl.handle.net/21.11116/0000-000B-3CB9-2
Genre: Journal Article

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Copyright Date:
2022
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 Creators:
Zeininger, Johannes, Author
Winkler, Philipp, Author
Raab, Maximilian, Author
Suchorski, Yuri, Author
Prieto, Mauricio1, Author           
Tanase, Liviu Cristian1, Author           
Caldas, Lucas de Souza1, Author           
Tiwari, Aarti1, Author           
Schmidt, Thomas1, Author           
Stöger-Pollach, Michael, Author
Steiger-Thirsfeld, Andreas, Author
Roldan Cuenya, Beatriz1, Author           
Rupprechter, Günther, Author
Affiliations:
1Interface Science, Fritz Haber Institute, Max Planck Society, ou_2461712              

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 Abstract: Spatio-temporal nonuniformities in H2 oxidation on individual Rh(h k l) domains of a polycrystalline Rh foil were studied in the 10–6 mbar pressure range by photoemission electron microscopy (PEEM), X-ray photoemission electron microscopy (XPEEM), and low-energy electron microscopy (LEEM). The latter two were used for in situ correlative microscopy to zoom in with significantly higher lateral resolution, allowing detection of an unusual island-mediated oxygen front propagation during kinetic transitions. The origin of the island-mediated front propagation was rationalized by model calculations based on a hybrid approach of microkinetic modeling and Monte Carlo simulations.

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Language(s): eng - English
 Dates: 2022-08-312022-07-282022-10-07
 Publication Status: Published online
 Pages: 10
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/acscatal.2c03692
 Degree: -

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Title: ACS Catalysis
  Abbreviation : ACS Catal.
Source Genre: Journal
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Publ. Info: Washington, DC : ACS
Pages: 10 Volume / Issue: 12 (19) Sequence Number: - Start / End Page: 11974 - 11983 Identifier: ISSN: 2155-5435
CoNE: https://pure.mpg.de/cone/journals/resource/2155-5435