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Huang, C.-H., Lee, C.-W., Hsu, C.-S., Renaud, C. & Nguyen, T.-P. (2007) Electro-optical properties of poly(1-(difluorophenyl)-2(4-alkylcyclohexyl phenyl)acetylene) organic light-emitting diodes. Thin Solid Films, 515 7671–7674. 
Added by: Laurent Cournède (2016-03-10 22:02:29)
Type de référence: Article
DOI: 10.1016/j.tsf.2006.11.095
Numéro d'identification (ISBN etc.): 0040-6090
Clé BibTeX: Huang2007
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Catégories: PMN
Mots-clés: dlts, electroluminescence, oleds, photoluminescence, polyacetylene, polymers, pure, spectroscopy, Traps
Créateurs: Hsu, Huang, Lee, Nguyen, Renaud
Collection: Thin Solid Films
Consultations : 13/660
Indice de consultation : 3%
Indice de popularité : 0.75%
Résumé     
For organic light-emitting diodes (OLEDs) applications, we have investigated novel polymers, using substituted polyacetylenes (PA), poly(I (fluorophenyl)-2-(alkylcyclohexylphenyl)acetylene) (PDPA-nF) (n =1 or n = 2) which exhibit air stability, better solubility in common organic solvent and higher luminescence than polyacetylene. In this study, we have used poly[(1-(3,4-difluorophenyl)-2-(4-pentylcyclohexylphenyl) acetylene)] (PDPA-2F) as an emitter in OLEDs and their performance was determined by measuring the cuffent-voltage-luminance characteristic. The devices have a maximum brightness of 827 candela (cd)/M-2 at 12 V and a maximum current efficiency of 0. 7 8 cd/A at 9 V with a maximum luminescence at 536 nm. Influence of the metal electrode on the charge injection was studied using several cathode configurations (Ca, Al and Au) for the devices. Furthermore, the charge injection and transport processes were correlated to the presence of traps inside the polymer, determined by deep level transient spectroscopy (DLTS). (c) 2007 Elsevier B.V. All rights reserved.
Added by: Laurent Cournède  
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