Abstract
Eight dialkylgallium complexes of type R 2GaL [(M = Me, L = 1-(2-pyridyl)methyleneimino-2-naphthonato ( 1), M = Et, L = 1-(2-pyridyl)methyleneimino-2-naphthonato ( 2), M = Me, L = 1-phenylmethyleneimino-2-naphthonato ( 3), M = Et, L = 1-phenylmethyleneimino-2-naphthonato ( 4), M = Me, L = 1-( p-methoxylphenyl)methyleneimino-2-naphthonato ( 5), M = Me, L = 1-(3,4-dimethoxylphenyl)methyleneimino-2-naphthonato ( 6), M = Me, L = 1-naphthylmethyleneimino-2-naphthonato ( 7), M = Me, L = 1-naphthylmethyleneimino-2-naphthonato ( 8)) have been synthesized by reaction of trialkylgallium with appropriate 1-arylmethyleneimino-2-naphthols. The complexes have been characterized by elemental analysis, 1H NMR, IR and mass spectrometry. Structure of dimethyl[1-(2-pyridyl)methyleneimino-2-naphthonato]gallium ( 1) has been determined by X-ray single crystal analysis. Ga atom is five coordinate in the structure. Photoluminescent properties have been measured. The maximum emission wavelengths are in the range of 358 and 412 nm with the intensity of 13–325 a.u. The electroluminescent properties of 3, 5, 7 and 8 have been measured. The maximum emission wavelengths are in the range of 450 and 480 nm.
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