Ethylene decomposition at undercoordinated sites on Cu(410) (Articolo in rivista)

Type
Label
  • Ethylene decomposition at undercoordinated sites on Cu(410) (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Kravchuk T.; Vattuone L.; Burkholder L.; Tysoe W. T.; Rocca M. (2008)
    Ethylene decomposition at undercoordinated sites on Cu(410)
    in Journal of the American Chemical Society (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Kravchuk T.; Vattuone L.; Burkholder L.; Tysoe W. T.; Rocca M. (literal)
Pagina inizio
  • 12552 (literal)
Pagina fine
  • 12553 (literal)
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  • 130 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • In: Journal of the American Chemical Society, vol. 130 pp. 12552 - 12553. American Chemical Society, 2008. (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Fisica Genova e CNISM, Department of Chemistry and Biochemistry, University of Wisconsin-Milwaukee, CNR-IMEM, Parma and Dipartimento di Fisica, Università diGenova (literal)
Titolo
  • Ethylene decomposition at undercoordinated sites on Cu(410) (literal)
Abstract
  • We demonstrate the selective, low-temperature chemistry of ethylene on the strongly undercoordinated sites of Cu(410) by investigating its adsorption by high-resolution electron energy loss spectroscopy (HREELS), X-ray photoelectron spectroscopy (XPS), and temperature-programmed desorption (TPD). After dosing ethylene at 110 K, apart from the expected p-bonded species adsorbed on terraces, di-s-bonded ethylene and carbon are formed at the step edges. The latter product results from the complete dehydrogenation of ethylene and blocks sites for further dissociation and/or di-s-adsorption. However, these processes can be restored merely by heating the sample to 900 K, by causing the carbon to diffuse into the bulk. The presented results support the relevance of copper-based catalysts for the steam reforming process. (literal)
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