Alkali-promoted CO dissociation on Cu(111) and Ni(111) at room temperature (Articolo in rivista)

Type
Label
  • Alkali-promoted CO dissociation on Cu(111) and Ni(111) at room temperature (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Politano, A; Formoso, V; Chiarello, G (2008)
    Alkali-promoted CO dissociation on Cu(111) and Ni(111) at room temperature
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Politano, A; Formoso, V; Chiarello, G (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 129 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Politano, A.; Formoso, V.; Chiarello, G.] Univ Calabria, Dipartimento Fis, I-87036 Cosenza, Italy; [Formoso, V.] Lab Reg LICRYL, I-87036 Cosenza, Italy; [Formoso, V.] CNR, INFM, I-87036 Cosenza, Italy; [Chiarello, G.] Consorzio Nazl Interuniv Sci Fis Mat CNISM, I-87036 Cosenza, Italy (literal)
Titolo
  • Alkali-promoted CO dissociation on Cu(111) and Ni(111) at room temperature (literal)
Abstract
  • The coadsorption of alkalis (K, Na) and CO on Cu(111) was investigated by high-resolution electron energy loss spectroscopy. Measurements performed at room temperature showed that CO adsorption is partially dissociative on a potassium-precovered Cu(111) surface and fully dissociative for Na/Cu(111). Carbon monoxide molecules occupy adsorption sites directly adjacent to those of alkali adatoms, as suggested by the absence of a threshold alkali precoverage for CO dissociation. On the contrary, for alkali+CO/Ni(111) a threshold alkali precoverage for CO dissociation was found to exist. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.2996133] (literal)
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