Iridium complex and preparation method thereof and luminous device using iridium complex
A technology for iridium complexes and ligands, applied in the field of iridium complexes and their preparation, can solve the problems of increased difficulty in developing blue light compounds, decreased luminous efficiency, short emission wavelength, etc., and achieves easy sublimation purification, high yield, and preparation method. simple effect
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[0020] The present invention will be described in further detail below with reference to the drawings and embodiments. Unless otherwise specified, the terms used in the present invention generally have the meanings commonly understood by those of ordinary skill in the art.
[0021] The iridium complexes of the present invention all use iridium trichloride, 2-bromopyridine, 2,4-difluoropyridineboronic acid, etc. in the synthesis process, and the synthesis method is similar. Mix the iridium dimer bridged complex containing pyridine derivatives as ligands with nitrogen-containing heterocyclic phosphoric acid and sodium carbonate; add 2-ethoxyethanol solution, and perform heating reaction at 100℃-150℃, reaction time 24h After cooling to room temperature for 48 hours, the solvent was distilled off under reduced pressure, extracted with dichloromethane, concentrated, and separated by column chromatography to obtain a crude product with nitrogen-containing heterocyclic phosphoric acid a...
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