Electroluminescent orthofused thiophene dye embedded in polyvinylcarbazole (Articolo in rivista)

Type
Label
  • Electroluminescent orthofused thiophene dye embedded in polyvinylcarbazole (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.2358304 (literal)
Alternative label
  • Giovanella U.; Botta C.; Bossi A.; Licandro E.; Maiorana S. (2006)
    Electroluminescent orthofused thiophene dye embedded in polyvinylcarbazole
    in Journal of applied physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Giovanella U.; Botta C.; Bossi A.; Licandro E.; Maiorana S. (literal)
Pagina inizio
  • 083107-1 (literal)
Pagina fine
  • 083107-4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 100 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 8 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Umberto Giovanella and Chiara Botta, Istituto per lo Studio delle Macromolecole, C.N.R. Via Bassini 15, 20133 Milano, Italy. Alberto Bossi, Emanuela Licandro and Stefano Maiorana, Dipartimento di Chimica Organica e Industriale e Centro Interdisciplinare Materiali e Interfacce Nanostrutturati (C.I.M.A.I.N.A.) Università degli Studi di Milano, Via Golgi 19, I-20133 Milano, Italy (literal)
Titolo
  • Electroluminescent orthofused thiophene dye embedded in polyvinylcarbazole (literal)
Abstract
  • The photoluminescence and electroluminescence of a molecular precursor of helicene embedded in an active matrix formed by a hole-transporter polymer mixed with an electron transporter molecule are reported. Optimization of the weight ratio between the dye and the matrix is performed by a detailed study of the absolute emission efficiencies obtained by photoexcitation and by charge injection. A 0.17% by weight dye concentration gives the best compromise among energy transfer, transport properties and quenching effects induced by dye aggregation, leading to an external blue electroluminescence efficiency of 0.4% in a single layer device. (literal)
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