Adsorption geometry variation of 1,4-benzenedimethanethiol self-assembled monolayers on Au(111) grown from the vapor phase (Articolo in rivista)

Type
Label
  • Adsorption geometry variation of 1,4-benzenedimethanethiol self-assembled monolayers on Au(111) grown from the vapor phase (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Pasquali, L; Terzi, F; Seeber, R; Doyle, BP; Nannarone, S (2008)
    Adsorption geometry variation of 1,4-benzenedimethanethiol self-assembled monolayers on Au(111) grown from the vapor phase
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pasquali, L; Terzi, F; Seeber, R; Doyle, BP; Nannarone, S (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 128 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Pasquali, L.; Nannarone, S.] Univ Modena & Reggio Emilia, Dipartimento Ingn Mat Ambiente, I-41100 Modena, Italy; [Terzi, F.; Seeber, R.] Univ Modena & Reggio Emilia, Dipartimento Chim, I-41100 Modena, Italy; [Doyle, B. P.; Nannarone, S.] INFM, CNR, Lab Nazl TASC, I-34012 Trieste, Italy; [Pasquali, L.; Nannarone, S.] CNISM, I-41100 Modena, Italy (literal)
Titolo
  • Adsorption geometry variation of 1,4-benzenedimethanethiol self-assembled monolayers on Au(111) grown from the vapor phase (literal)
Abstract
  • 1,4-benzenedimethanethiol was chemisorbed from the vapor phase onto Au(111). The chemisorption geometry, molecular orientation, and bonding properties were studied at different degrees of surface coverage by photoelectron spectroscopy, metastable deexcitation spectroscopy, and near-edge x-ray absorption fine structure spectroscopy at the carbon K edge. Two main chemisorption regimes were identified: at low coverage the molecules adopt a flat configuration, then, as the molecular density of the first layer increases, the reduction of the available chemisorption sites induces the newly bonded molecules to assume a vertical alignment, with only one of the sulphur head groups interacting with the substrate. Experimental results were interpreted on the basis of theoretical calculations that we performed on the free molecule concerning the molecular orbitals' density of states and simulated x-ray absorption. (c) American Institute of Physics. (literal)
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