Organic light-emitting transistors with an efficiency that outperforms the equivalent light-emitting diodes (Articolo in rivista)

Type
Label
  • Organic light-emitting transistors with an efficiency that outperforms the equivalent light-emitting diodes (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1038/NMAT2751 (literal)
Alternative label
  • R. Capelli; S. Toffanin; G. Generali; H. Usta; A. Facchetti; M. Muccini (2010)
    Organic light-emitting transistors with an efficiency that outperforms the equivalent light-emitting diodes
    in Nature materials (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • R. Capelli; S. Toffanin; G. Generali; H. Usta; A. Facchetti; M. Muccini (literal)
Pagina inizio
  • 496 (literal)
Pagina fine
  • 503 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.nature.com/nmat/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 9 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. ISMN, CNR, I-40129 Bologna, Italy 2. Polyera Corp, Skokie, IL 60077 USA 3. ETC Srl, I-40129 Bologna, Italy (literal)
Titolo
  • Organic light-emitting transistors with an efficiency that outperforms the equivalent light-emitting diodes (literal)
Abstract
  • The potential of organic semiconductor-based devices for light generation is demonstrated by the commercialization of display technologies based on organic light-emitting diodes (OLEDs). Nonetheless, exciton quenching and photon loss processes still limit OLED efficiency and brightness. Organic light-emitting transistors (OLETs) are alternative light sources combining, in the same architecture, the switching mechanism of a thin-film transistor and an electroluminescent device. Thus, OLETs could open a new era in organic optoelectronics and serve as testbeds to address general fundamental optoelectronic and photonic issues. Here, we introduce the concept of using a p-channel/emitter/n-channel trilayer semiconducting heterostructure in OLETs, providing a new approach to markedly improve OLET performance and address these open questions. In this architecture, exciton-charge annihilation and electrode photon losses are prevented. Our devices are >100 times more efficient than the equivalent OLED, >2× more efficient than the optimized OLED with the same emitting layer and >10 times more efficient than any other reported OLETs. (literal)
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