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Article Dans Une Revue Synthetic Metals Année : 2014

Low-cost zinc complexes for white organic light-emitting devices

Résumé

A series of blue fluorescent Zn (II) tetradentate Schiff base complexes has been designed and synthesized for applications in organic light-emitting diodes. The five complexeswere investigated as dopantmaterials or as single emitters of multilayered p-i OLEDs. White OLEDs were achieved using these compounds as dopants of 4,4′,4″- tris(N-carbazolyl)triphenylamine and best devices exhibited a high qualitywhite-lightemission with remarkable CIE (Commission Internationale de l'Eclairage) coordinates (0.33, 0.34).When used as single emitters, sky-blue and blue electroluminescent devices were prepared, except with one complex that gave yellow OLEDs. Optical properties of these complexes were examined by UV-visible absorption and luminescence spectroscopy. Their electrochemical properties are also reported. These results open the route to the development of cost-effective complexes for white organic light-emitting devices applications

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Matériaux
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Dates et versions

hal-01020158 , version 1 (07-07-2014)

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Frédéric Dumur, Layla Beouch, Mohamad Ali Tehfe, Emmanuel Contal, Marc Lepeltier, et al.. Low-cost zinc complexes for white organic light-emitting devices. Synthetic Metals, 2014, 564, pp.351-360. ⟨10.1016/j.tsf.2014.06.006⟩. ⟨hal-01020158⟩
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