Thickness dependence of the optical anisotropy for porphyrin octaesters Langmuir-Schaefer films (Articolo in rivista)

Type
Label
  • Thickness dependence of the optical anisotropy for porphyrin octaesters Langmuir-Schaefer films (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Alternative label
  • Goletti C., Paolesse R., Dalcanale E., Berzina T., Di Natale C., Bussetti G., Chiaradia P., Froiio A., Cristofolini L., Costa M., D'Amico A. (2002)
    Thickness dependence of the optical anisotropy for porphyrin octaesters Langmuir-Schaefer films
    in Langmuir
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Goletti C., Paolesse R., Dalcanale E., Berzina T., Di Natale C., Bussetti G., Chiaradia P., Froiio A., Cristofolini L., Costa M., D'Amico A. (literal)
Pagina inizio
  • 6881 (literal)
Pagina fine
  • 6886 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 18 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Thickness dependence of the optical anisotropy for porphyrin octaesters Langmuir-Schaefer films (literal)
Abstract
  • We have studied the optical anisotropy of porphyrin layers with different thicknesses deposited onto gold substrates by the Langmuir-Schaefer technique. In coincidence with the Soret band of the molecule, the optical spectral line shape as determined by reflectance anisotropy spectroscopy exhibits a characteristic, large structure, which changes from a \"peaklike\" to a \"derivative-like\" shape at a well-defined thickness (8-10 monolayers). We interpret this result in the framework of electronic effects due to structural changes in the layers, yielding solid-state effects originating from the coupling of the pi orbitals of the porphyrin macrocycles. (literal)
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