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Anthracene-based molecular emitters for non-doped deep-blue organic light emitting transistors

Zambianchi, M. ; Benvenuti, E. ; Bettini, C. ; Zanardi, C. ; Seeber, R. ; Gentili, D. ; Cavallini, M. ; Muccini, M. ; Biondo, V. ; Soldano, C. ; Generali, G. ; Toffanin, S. ; Melucci, M.

Journal of materials chemistry. C, Materials for optical and electronic devices, 2016-01, Vol.4 (40), p.9411-9417 [Periódico revisado por pares]

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  • Título:
    Anthracene-based molecular emitters for non-doped deep-blue organic light emitting transistors
  • Autor: Zambianchi, M. ; Benvenuti, E. ; Bettini, C. ; Zanardi, C. ; Seeber, R. ; Gentili, D. ; Cavallini, M. ; Muccini, M. ; Biondo, V. ; Soldano, C. ; Generali, G. ; Toffanin, S. ; Melucci, M.
  • Assuntos: Colors (materials) ; Emitters ; Light emission ; Light emitting ; P-type semiconductors ; Semiconductor devices ; Transistors
  • É parte de: Journal of materials chemistry. C, Materials for optical and electronic devices, 2016-01, Vol.4 (40), p.9411-9417
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: A new anthracene-based twisted oligomer combining a rigid anthracene–xylene core with diphenylamine ends 4,4′-(anthracene-9,10-diyl)bis(2,5-dimethyl- N , N -diphenylaniline), DiPAXA , is herein presented as an efficient and deep blue emitter material. By exploiting DiPAXA as an emissive layer and 2,7-dioctyl[1]benzothieno[3,2- b ][1]benzothiophene (C8-BTBT) as a p-type semiconducting layer, we realize a blue emitting unipolar light emitting transistor (OLET) with a maximum external quantum efficiency (EQE) of 0.13%, a charge mobility up to 0.32 cm 2 V −1 s −1 and CIE color coordinates of (0.18, 0.21), i.e. closer to currently available standards (PAL, NTSC). Moreover, comparison with other anthracene-based blue emitters highlights the suitability of this family of twisted anthracene–xylene compounds for unipolar blue OLET applications as a result of the enhanced performances in terms of CIE coordinates and light emission output of newly synthesized DiPAXA .
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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