Abstract
Three dimethylgallium complexes of type Me 2GaL [L = 3,4-dimethoxyphenylmethyleneiminophenolato ( 1), 4-butoxylphenyl methyleneiminophenolato ( 2), 2-pyridylphenolato ( 3)] have been synthesized by the reaction of trimethylgallium with appropriate N-arylmethyleneiminophenol. The complexes obtained have been characterized by elemental analysis, 1H NMR, FT-IR and mass spectroscopy, respectively. The solid structure of 1 has been determined by X-ray single crystal analysis. The gallium atom was bonded by an oxygen atom and coordinated by an imine nitrogen atom forming one five-membered ring. The stable dimmer was formed by the coordination of bridging oxygen atom of phenolate to another gallium atom. The photoluminescence of complexes 1– 3 were studied. The maximum emission wavelengths of 1– 3 are between 338 and 362 nm upon radiation by UV light. The Electroluminescent properties of diodes using 1– 3 as emitters were measured. The blue/green electroluminescence has been observed.
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