A few simple rules governing hydrogenation of graphene dots (Articolo in rivista)

Type
Label
  • A few simple rules governing hydrogenation of graphene dots (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.3650693 (literal)
Alternative label
  • Bonfanti, M.; Casolo, S.; Tantardini, G. F.; Ponti, A.; Martinazzo, R. (2011)
    A few simple rules governing hydrogenation of graphene dots
    in The Journal of chemical physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bonfanti, M.; Casolo, S.; Tantardini, G. F.; Ponti, A.; Martinazzo, R. (literal)
Pagina inizio
  • 164701 (literal)
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  • 135 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • DOI:10.1063/1.3650693 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1Dipartimento di Chimica Fisica ed Elettrochimica, Università degli Studi di Milano, v. Golgi 19, 20133 Milan, Italy 2Istituto di Scienze e Tecnologie Molecolari, Consiglio Nazionale delle Ricerche, v. Golgi 19, 20133 Milano, Italy 3CIMaINa, Interdisciplinary Center of Nanostructured Materials and Interfaces, v. Celoria 16, 20133 Milan, Italy (literal)
Titolo
  • A few simple rules governing hydrogenation of graphene dots (literal)
Abstract
  • We investigated binding of hydrogen atoms to small polycyclic aromatic hydrocarbons (PAHs)--i.e., graphene dots with hydrogen-terminated edges--using density functional theory and correlated wavefunction techniques. We considered a number of PAHs with three to seven hexagonal rings and computed binding energies for most of the symmetry unique sites, along with the minimum energy paths for significant cases. The chosen PAHs are small enough to not present radical character at their edges, yet show a clear preference for adsorption at the edge sites which can be attributed to electronic effects. We show how the results, as obtained at different levels of theory, can be rationalized in detail with the help of a few simple concepts derivable from a tight-binding model of the ? electrons. (literal)
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