Preparation and characterization of carbonaceous matter rich in daimond-like carbon and carbyne domains (Articolo in rivista)

Type
Label
  • Preparation and characterization of carbonaceous matter rich in daimond-like carbon and carbyne domains (Articolo in rivista) (literal)
Anno
  • 1999-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0254-0584(99)00055-3 (literal)
Alternative label
  • F. Cataldo, D. Capitani (1999)
    Preparation and characterization of carbonaceous matter rich in daimond-like carbon and carbyne domains
    in Materials chemistry and physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • F. Cataldo, D. Capitani (literal)
Pagina inizio
  • 225 (literal)
Pagina fine
  • 231 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://dx.doi.org/10.1016/S0254-0584(99)00055-3 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 59 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Progega s.n.c. Via Casalina 1626/A, 00133 Roma Istituto di Metodologie Chimiche (literal)
Titolo
  • Preparation and characterization of carbonaceous matter rich in daimond-like carbon and carbyne domains (literal)
Abstract
  • The microstructure of carbonaceous matter prepared from copper acetylide, by a coupling reaction promoted by air, hydrogen peroxide or Cu(NH3)(n)(2+) oxidation has been studied by solid state C-13-NMR (CP/MAS), FT-IR and Raman spectroscopy. All three spectral techniques give clear evidences that the solid carbon produced contains sp-hybridized carbon chain moieties known as 'acetylenic carbyne' (polyene-type, IUPAC notation: polyethynylene). Solid state C13-NMR (CP/MAS) provides additional evidence on the presence of small cumulenic moiety 'allenic or cumulenic carbyne' (polycumulene-type, IUPAC notation polyethylenediylidene). Solid state C-13-NMR (CP/ MAS) in conjunction with Raman spectroscopy show sp(3)-hybridized carbon moieties known also as 'diamond-like carbon', formed by a crosslinking reaction of acetylenic carbyne chains; additionally sp(2)-hybridized carbon atoms were detected and assigned to amorphous and graphitic carbon. (C) 1999 Published by Elsevier Science S.A. All rights reserved. (literal)
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