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  Dissociation of CO on the Ru(1 1 -2 0) surface

Wang, J., Wang, Y., & Jacobi, K. (2001). Dissociation of CO on the Ru(1 1 -2 0) surface. Surface Science, 488(1-2), 83-89. doi:10.1016/S0039-6028(01)01108-6.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-17D7-8 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-17D8-6
Genre: Journal Article

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 Creators:
Wang, Jinhai1, Author              
Wang, Yuemin1, Author              
Jacobi, Karl1, Author              
Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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Free keywords: Electron energy loss spectroscopy (EELS); Thermal desorption spectroscopy; Chemisorption; Surface chemical reaction; Ruthenium; Carbon monoxide; Single crystal surfaces
 Abstract: The dissociation of CO on the Ru(11-20) surface was investigated by thermal desorption spectroscopy and high resolution electron energy loss spectroscopy (HREELS). Up to about 20% of a monolayer CO dissociates on the Ru(11-20) surface at room temperature. Oxygen (68 meV) and carbon (42 meV) are identified as dissociation products by HREELS. At temperatures below 240 K the precursor of dissociation can be stabilized. In this state, CO is tilted and presumably bonded at a kind of a fourfold hollow site. During annealing, CO2 formation is observed from CO reacting with oxygen from the dissociation.

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Title: Surface Science
  Alternative Title : Surf. Sci.
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 488 (1-2) Sequence Number: - Start / End Page: 83 - 89 Identifier: -