Vibrational and electronic properties of hydrogen adsorbed on single-wall carbon nanotubes (Articolo in rivista)

Type
Label
  • Vibrational and electronic properties of hydrogen adsorbed on single-wall carbon nanotubes (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Alternative label
  • Chiarello G., Maccallini E., Agostino R.G., Caruso T., Formoso V., Papagno L., Colavita E., Goldoni A., Larciprete R., Lizzit S., Petaccia L. (2004)
    Vibrational and electronic properties of hydrogen adsorbed on single-wall carbon nanotubes
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Chiarello G., Maccallini E., Agostino R.G., Caruso T., Formoso V., Papagno L., Colavita E., Goldoni A., Larciprete R., Lizzit S., Petaccia L. (literal)
Pagina inizio
  • 153409 (literal)
Pagina fine
  • [4] (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 69 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • fasc. (15). American Physical Society (APS). (literal)
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Vibrational and electronic properties of hydrogen adsorbed on single-wall carbon nanotubes (literal)
Abstract
  • The vibrational and electronic properties of hydrogen molecules adsorbed on single-wall carbon nanotubes were investigated by high-resolution electron-energy-loss spectroscopy. We found that the adsorption of H2 molecules is dissociative at room temperature and 2.6×10-2Pa. The C-H bond formed upon hydrogen adsorption has a vibrational energy equal to 360 meV, in agreement with the expected sp2-sp3 H-induced local rehybridization. The hydrogenation of carbon nanotubes also gives rise to significant changes for both the line shape and the excitation energy of the ? plasmon. Upon H adsorption, the plasmon shifts by 0.8 eV towards lower energies and, moreover, a weak feature rises up at 3.5 eV. (literal)
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