Growth morphology and electronic structure of 2D ordered pentacene on the Au(1 1 0)-(1Å~2) surface (Articolo in rivista)

Type
Label
  • Growth morphology and electronic structure of 2D ordered pentacene on the Au(1 1 0)-(1Å~2) surface (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Corradini V. 1, Menozzi C. 2, Cavallini M 3, Biscarini F. 4, Betti M.G. 5 and Mariani C.6 (2003)
    Growth morphology and electronic structure of 2D ordered pentacene on the Au(1 1 0)-(1Å~2) surface
    in Surface science
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Corradini V. 1, Menozzi C. 2, Cavallini M 3, Biscarini F. 4, Betti M.G. 5 and Mariani C.6 (literal)
Pagina inizio
  • 249 (literal)
Pagina fine
  • 254 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 532 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1,2 - INFM, Università di Modena e Reggio Emilia, Modena, Italy 5,6 - INFM, Modena, Italy 3,4 -ISMN-CNR, Bologna, Italy (literal)
Titolo
  • Growth morphology and electronic structure of 2D ordered pentacene on the Au(1 1 0)-(1Å~2) surface (literal)
Abstract
  • High-quality ordered growth and characterization of organic systems is an important requirement to understand the physical properties underlying the new organic-molecule based electronic devices. In this work, pentacene (C22H14) is ultra-high-vacuum deposited in situ on the (1Å~2)-reconstructed surface of Au(1 1 0), at different substrate temperatures. Low-energy electron diffraction reveals a two-dimensional (2D) ordered phase, showing the presence of a (1Å~3) pentacene-induced long-range periodicity, for room-temperature deposition. High-resolution UV photoelectron spectroscopy investigations for pentacene adsorption at room- and low- (80 K) temperature, bring to light the new interface electronic levels and the molecular orbital evolution. Higher substrate temperature (370 K) during adsorption induces higher pentacene mobility, thus improving long-range ordering. Atomic force microscopy images at higher coverage show the presence of pentacene stripes, grown on top of the first 2D ordered layer, with a preferred orientation perpendicular to the substrate [1 -1 0] direction. (literal)
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