Structure and Electron States of Co-phthalocyanine Interacting With the Cu(111) Surface (Articolo in rivista)

Type
Label
  • Structure and Electron States of Co-phthalocyanine Interacting With the Cu(111) Surface (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jp203200s (literal)
Alternative label
  • E. Annese, J. Fujii, I. Vobornik, G. Rossi (2011)
    Structure and Electron States of Co-phthalocyanine Interacting With the Cu(111) Surface
    in Journal of physical chemistry. C
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • E. Annese, J. Fujii, I. Vobornik, G. Rossi (literal)
Pagina inizio
  • 17409 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://pubs.acs.org/doi/abs/10.1021/jp203200s (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 115 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • TASC Laboratory, IOM-CNR, SS 14, km 163.5, I-34149 Trieste, Italy Dipartimento di Fisica, Università di Modena e Reggio Emilia, via Campi 213/A, I-41100 Modena, Italy (literal)
Titolo
  • Structure and Electron States of Co-phthalocyanine Interacting With the Cu(111) Surface (literal)
Abstract
  • We studied the growth and the electronic properties of Co-phthalocyanine (CoPc) molecular layers on Cu(111). Scanning tunnelling microscopy shows that the CoPc molecules adsorb first at the Cu(111) step edges, lying \"flat\", i.e., parallel to the substrate. At monolayer coverage, the molecules distribute uniformly on the Cu(111) surface with short-range ordering. Angle-dependent N 1s X-ray absorption spectroscopy (XAS) confirms the overall flat orientation. C 1s, N 1s, core-level photoemission, and Co L3 edge XAS indicate selective participation of these atoms to the interface bonds. Angle-resolved photoemission, for submonolayer coverage, shows that the Cu(111) surface states undergo a shift to lower binding energies. This binding energy shift and the increase in the effective mass indicate charge redistribution at the CoPc/Cu(111) interface. At monolayer saturation, the Cu(111) surface state is quenched, and new molecular states appear at binding energies of 0.9 eV. (literal)
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