Bonding and orientation of 1,4-benzenedimethanethiol on Au(111) prepared from solution and from gas phase (Articolo in rivista)

Type
Label
  • Bonding and orientation of 1,4-benzenedimethanethiol on Au(111) prepared from solution and from gas phase (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0953-8984/19/30/305020 (literal)
Alternative label
  • Pasquali, L; Terzi, F; Zanardi, C; Seeber, R; Paolicelli, G; Mahne, N; Nannarone, S (2007)
    Bonding and orientation of 1,4-benzenedimethanethiol on Au(111) prepared from solution and from gas phase
    in Journal of physics. Condensed matter (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pasquali, L; Terzi, F; Zanardi, C; Seeber, R; Paolicelli, G; Mahne, N; Nannarone, S (literal)
Pagina inizio
  • 305020 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 19 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Modena & Reggio Emilia, Dipartimento Ingn Mat & Ambiente, I-41100 Modena, Italy; Univ Modena & Reggio Emilia, CNISM, I-41100 Modena, Italy; Univ Modena & Reggio Emilia, Dipartimento Chim, I-41100 Modena, Italy; CNR, INFM, Natl Res Ctr Nanostruct & BioSyst Surfaces, I-41100 Modena, Italy; CNR, INFM, Lab Nazl TASC, I-34012 Trieste, Italy (literal)
Titolo
  • Bonding and orientation of 1,4-benzenedimethanethiol on Au(111) prepared from solution and from gas phase (literal)
Abstract
  • The orientation and bonding of 1,4-benzenedimethanethiol molecules on Au(111) is studied by means of x-ray and ultraviolet (UV) photoemission, xray absorption and metastable deexcitation spectroscopy. The organic films are prepared both from solution and by exposing the clean substrate to the vapours of the substance in an evacuated environment. This leads to two different growth modes: when self-assembled monolayers (SAMs) are prepared from solution, the molecules tend to form a bilayer film with the molecules standing upright and with the molecular axis forming an angle of about 30 degrees with respect to the substrate normal; when growth is carried out from the gas phase, the molecules tend to assume at the earliest stages of exposure a flat-lying configuration, with both sulfur end-groups bonding to Au; at increasing exposure the surface coverage presents a saturation and the chemisorbed molecules tend to assume an upright arrangement. (literal)
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