Electronic structures of highly-ordered films of self-assembled graphitic nano-columns (Articolo in rivista)

Type
Label
  • Electronic structures of highly-ordered films of self-assembled graphitic nano-columns (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • R. Friedlein, X. Crispin, C.D. Simpson, M.D. Watson, F. Jäckel, W. Osikowicz, S. Marciniak, M.P. de Jong, P. Samorì, S.K.M. Jönsson, M. Fahlman, K. Müllen, J.P. Rabe, W.R. Salaneck (2003)
    Electronic structures of highly-ordered films of self-assembled graphitic nano-columns
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • R. Friedlein, X. Crispin, C.D. Simpson, M.D. Watson, F. Jäckel, W. Osikowicz, S. Marciniak, M.P. de Jong, P. Samorì, S.K.M. Jönsson, M. Fahlman, K. Müllen, J.P. Rabe, W.R. Salaneck (literal)
Pagina inizio
  • 195414 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 68 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Electronic structures of highly-ordered films of self-assembled graphitic nano-columns (literal)
Abstract
  • Highly ordered, several nanometers thick films of alkylated large planar, polycyclic aromatic hydrocarbon (PAH) molecules have been grown on semi-metallic molybdenum disulfide substrates. The films are characterized by a two-dimensional lateral arrangement of columns standing at the surface on a macroscopic scale. The self-assembly of such insulated columns of face-to-face disks with surface-induced vertical alignment has been achieved directly from solution processing. Angle-resolved photoelectron spectra revealed a highly anisotropic quasi-one-dimensional electronic structure with an extended p-electronic wave function. An intermolecular dispersion of the highest occupied band of at least 0.15 eV along the stacking direction has been measured. A partial breakdown of the concept of quasimomentum due to the finite size of the nano-objects perpendicular to the stacks is observed. (literal)
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