Efficient red phosphorescent organic light emitting diodes with double emission layers (Articolo in rivista)

Type
Label
  • Efficient red phosphorescent organic light emitting diodes with double emission layers (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Ben Khalifa, M; Mazzeo, M; Maiorano, V; Mariano, F; Carallo, S; Melcarne, A; Cingolani, R; Gigli, G (2008)
    Efficient red phosphorescent organic light emitting diodes with double emission layers
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ben Khalifa, M; Mazzeo, M; Maiorano, V; Mariano, F; Carallo, S; Melcarne, A; Cingolani, R; Gigli, G (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 41 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Ben Khalifa, M.; Mazzeo, M.; Maiorano, V.; Mariano, F.; Carallo, S.; Melcarne, A.; Cingolani, R.; Gigli, G.] Univ Salento, Distretto Tecnol ISUFI, CNR INFM, Natl Nanotechnol Lab, I-73100 Lecce, Italy (literal)
Titolo
  • Efficient red phosphorescent organic light emitting diodes with double emission layers (literal)
Abstract
  • We demonstrate efficient red phosphorescent organic light emitting diodes with a bipolar emission structure (D-EML) formed by two different layers doped with a red phosphorescent dye. Due to its self-balancing character, the recombination zone is shifted far from the emission/carrier-blocking-layer interfaces. This prevents the accumulation of carriers at the interfaces and reduces the triplet-triplet annihilation, resulting in an improved efficiency of the D-EML device compared with the standard single-EML architecture. However, a current efficiency of 8.4 cd A(-1) at 10 mA cm(-2) is achieved in the D-EML device compared with 3.7 cd A(-1) in the single-EML device. (literal)
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