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  Dual-Path Mechanism for Catalytic Oxidation of Hydrogen on Platinum Surfaces

Völkening, S., Bedürftig, K. B., Jacobi, K., Wintterlin, J., & Ertl, G. (1999). Dual-Path Mechanism for Catalytic Oxidation of Hydrogen on Platinum Surfaces. Physical Review Letters, 83(13), 2672-2675. doi:10.1103/PhysRevLett.83.2672.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-F505-E Version Permalink: https://hdl.handle.net/21.11116/0000-0008-F509-A
Genre: Journal Article

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PhysRevLett.83.2672.pdf (Publisher version), 710KB
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https://hdl.handle.net/21.11116/0000-0008-F507-C
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PhysRevLett.83.2672.pdf
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1999
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APS
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 Creators:
Völkening, Stephan1, Author           
Bedürftig, Kolja B.1, Author           
Jacobi, Karl1, Author           
Wintterlin, Joost1, Author           
Ertl, Gerhard1, Author           
Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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 Abstract: The catalytic formation of water from adsorbed hydrogen and oxygen atoms on Pt(111) was studied with scanning tunneling microscopy and high resolution electron energy loss spectroscopy. The known complexity of this reaction is explained by the strongly temperature dependent lifetime of the product H2O molecules on the surface. Below the desorption temperature water reacts with unreacted O adatoms to OHad, leading to an autocatalytic process; at higher temperatures sequential addition of H adatoms to Oad with normal kinetics takes place.

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Language(s): eng - English
 Dates: 1998-11-091999-09-27
 Publication Status: Issued
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.83.2672
 Degree: -

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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: 4 Volume / Issue: 83 (13) Sequence Number: - Start / End Page: 2672 - 2675 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1