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4 May 2006 Tuning light emission colour of AlQ3 through oligothiophene substituents
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Five new elecdtroluminescent compounds based ont tris(8-quinolinolate)Al(III) and lithium quinolate with thiophene substituents at C-2 and C-5 position were synthesized and characterized. Lithium complexes showed blue emission, whereas aluminum complexes gave green fluorescence in solution. Double-layer devices were fabricated and found to emit light with brightness in excess of 3000 cd/m2 with an efficiency of 1.36 cd/A. These preliminarily electroluminescent results demonstrate that the novel oligothiophene substituted 8-hydroxyquinolines are promising emissive and electron transport materials for organic electroluminescent devices.
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Fernand Rodriguez, Abderrahim Yassar, Jean-Louis Fave, Joseph Roussel, Francois Maurel, and Gilles Horowitz "Tuning light emission colour of AlQ3 through oligothiophene substituents", Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 619238 (4 May 2006); doi: 10.1117/12.663748;

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