Atom-specific identification of adsorbed chiral molecules by photoemission (Articolo in rivista)

Type
Label
  • Atom-specific identification of adsorbed chiral molecules by photoemission (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.95.107601 (literal)
Alternative label
  • J.W.Kim; M. Carbone; J.H. Dil; M. Tallarida; R. Flammini; M.P. Casaletto; K. Horn; M.N. Piancastelli (2005)
    Atom-specific identification of adsorbed chiral molecules by photoemission
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • J.W.Kim; M. Carbone; J.H. Dil; M. Tallarida; R. Flammini; M.P. Casaletto; K. Horn; M.N. Piancastelli (literal)
Pagina inizio
  • 107601 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 95 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1Fritz-Haber-Institut der Max-Planck-Gesellschaft, D-14195 Berlin, Germany 2Department of Chemical Sciences and Technologies, University ''Tor Vergata'', I-00133 Rome, Italy 3CNR-IMIP, Area della Ricerca di Roma 1, I-00010 Monterotondo Scalo, Italy 4CNR-ISMN, Area della Ricerca di Palermo, I-90146 Palermo, Italy (literal)
Titolo
  • Atom-specific identification of adsorbed chiral molecules by photoemission (literal)
Abstract
  • The study of chiral adsorbed molecules is important for an analysis of enantioselectivity in heterogeneous catalysis. Here we show that such molecules can be identified through circular dichroism in corelevel photoemission arising from the chiral carbon atoms in stereoisomers of 2,3-butanediol molecules adsorbed on Si(100), using circularly polarized x rays. The asymmetry in the carbon 1s intensity excited by right and left circularly polarized light is readily observed, and changes sign with the helicity of the radiation or handedness of the enantiomers; it is absent in the achiral form of the molecule. This observation demonstrates the possibility of determining molecular chirality in the adsorbed phase. (literal)
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