Thermal Properties, Raman Spectroscopy and Tem Images of Neutron-Bombarded Graphite (Articolo in rivista)

Type
Label
  • Thermal Properties, Raman Spectroscopy and Tem Images of Neutron-Bombarded Graphite (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Alternative label
  • F. Cataldo, O. Ursini, G. Nasillo, E. Caponetti, M. Carbone, F. Valentini, G. Palleschi, T. Braun (2013)
    Thermal Properties, Raman Spectroscopy and Tem Images of Neutron-Bombarded Graphite
    in Fullerenes, nanotubes, and carbon nanostructures (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • F. Cataldo, O. Ursini, G. Nasillo, E. Caponetti, M. Carbone, F. Valentini, G. Palleschi, T. Braun (literal)
Pagina inizio
  • 634 (literal)
Pagina fine
  • 643 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 21 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto Nazionale di Astrofisica - Osservatorio, Astrofisico di Catania, Catania, Italy Lupi Chemical Research, Rome, Italy Tor Vergata University, Department of Chemistry, Rome, Italy Institute of Chemical Methodologies, CNR, Rome, Italy Dipartimento di Chimica \"S. Cannizzaro,\" Università degli Studi di Palermo, Palermo, Italy Centro Grandi Apparecchiature-UniNetLab, Università degli Studi di Palermo, Palermo, Italy 7)Institute of Chemistry, L. Eotvos University, Budapest, Hungary (literal)
Titolo
  • Thermal Properties, Raman Spectroscopy and Tem Images of Neutron-Bombarded Graphite (literal)
Abstract
  • Neutron-irradiated graphite to a total dose of 3.6 × 1016 n cm-2 was studied by DSC, Raman spectroscopy and transmission electron microscopy (TEM). The Wigner energy of neutron-irradiated graphite was 9.5 J/g as measured by DSC; it was released with an exothermal peak at 220oC. The Raman spectroscopy has confirmed the expected effect caused by neutron irradiation of the graphite substrate. The TEM imaging has shown that neutron-irradiated graphite can be effectively exfoliated by sonication in comparison to pristine graphite, which under similar conditions does not exfoliate at all. The interstitial Frenkel defects in neutron-irradiated graphite are intercalated between the graphene layers of the graphite and favor the exfoliation under adequate conditions. (literal)
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