Electroluminescence from a volatile europium complex |
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Authors: | Elias Stathatos Panagiotis Lianos Anastasios D Keramidas |
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Affiliation: | a University of Patras, Engineering Science Department, 26500 Patras, Greece b University of Cyprus, Department of Chemistry, 1678 Nicosia, Cyprus |
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Abstract: | Three new strongly chelating heterocyclic ligands containing pyridine, imidazole and triazine rings have been used to make ternary complexes of Europium(III) ions together with trifluoroacetylacetonate. The complex containing 5,6-diphenyl-3-(2-pyridyl)-1,2,3-triazine produced efficient electroluminescence in an Organic Light Emitting Diode in the presence of Poly(9-vinylcarbazole) and 8-Hydroxyquinoline aluminum salt, used as hole and electron transporters, respectively. The external quantum efficiency of this device was 0.16%. |
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Keywords: | Europium Chelating ligands Electroluminescence |
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