Light-Driven Charge Separation in isoxazolidines- perylene bisimide dyads (Articolo in rivista)

Type
Label
  • Light-Driven Charge Separation in isoxazolidines- perylene bisimide dyads (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/chem.200901839 (literal)
Alternative label
  • H. Langhals, A. Obermeier, Y. Floredo, A. Zanelli and L. Flamigni (2009)
    Light-Driven Charge Separation in isoxazolidines- perylene bisimide dyads
    in Chemistry - A European Journal
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • H. Langhals, A. Obermeier, Y. Floredo, A. Zanelli and L. Flamigni (literal)
Pagina inizio
  • 12733 (literal)
Pagina fine
  • 12744 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 15 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 12 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 46 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • University of Munich (Germay), CNR-ISOF (literal)
Titolo
  • Light-Driven Charge Separation in isoxazolidines- perylene bisimide dyads (literal)
Abstract
  • A series of arrays for light-driven charge separation is presented, in which perylene tetracarboxylic bisimide is the light-absorbing chromophore and electron acceptor, whereas isoxazolidines are colourless electron donors, the electron-releasing properties of which are increased with respect to the amino group by means of the alpha-effect. Charge separation (CS) in toluene over a distance ranging from approximate to 10 to approximate to 16 angstrom, with efficiencies of approximate to 95 to approximate to 50% and CS lifetimes from 300 ps to 15 ns, are demonstrated. In dichloromethane the charge recombination reaction is faster than charge separation, preventing accumulation of the CS state. The effects of solvent polarity and molecular structure are discussed in the frame of current theories. (literal)
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