Photophysical study of naphthalenophanes: evidence of adduct formation with molecular oxygen (Articolo in rivista)

Type
Label
  • Photophysical study of naphthalenophanes: evidence of adduct formation with molecular oxygen (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jp106887c (literal)
Alternative label
  • L. Rodriguez; J. C. Lima; F. Pina; R. Cacciapaglia; S. Di Stefano; A. Ruggi (2011)
    Photophysical study of naphthalenophanes: evidence of adduct formation with molecular oxygen
    in The journal of physical chemistry. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • L. Rodriguez; J. C. Lima; F. Pina; R. Cacciapaglia; S. Di Stefano; A. Ruggi (literal)
Pagina inizio
  • 123 (literal)
Pagina fine
  • 127 (literal)
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  • 115 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
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  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • ISI Web of Science (WoS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Departament de Quimica Inorganica, Universitat de Barcelona, Martì i Franquès 1-11, 08028 Barcelona, Spain; REQUIMTE, Departamento de Quimica, Centro de Quimica Fina e Biotecnologia, Faculdade de Ciencias e Tecnologia, Universidade Nova de Lisboa, Quinta da Torre, 2825 Monte de Caparica, Portugal; Dipartimento di Chimica and IMC - CNR Sezione Meccanismi di Reazione, Università La Sapienza, 00185 Roma (literal)
Titolo
  • Photophysical study of naphthalenophanes: evidence of adduct formation with molecular oxygen (literal)
Abstract
  • The photophysical properties of two atropisomeric naphthalenophanes (1 and 2) have been studied. Their structure only differs in the relative arrangement, syn (1) or anti (2), of the two aromatic units. The compounds emission is mainly excimeric and is strongly quenched in the presence of oxygen. Comparison of emission intensities obtained from steady state and from decay times provides clear evidence of the formation of ground state charge transfer complexes between oxygen and the naphthalenophanes 1 and 2. The calculated values for the association constants are on the order of 10^3 M-1 (ethanol, room temperature) for both naphthalenophanes. (literal)
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