Iridium complexes, preparation method thereof and electroluminescent device using iridium complexes
A technology of iridium complexes and complexes, applied in the field of light-emitting devices and organic electroluminescent devices, can solve the problems of reduced efficiency, efficiency roll-off and the like, and achieve the effects of convenient design and production, high yield and simple preparation method
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[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. The terms used in the present invention, unless otherwise specified, generally have the meanings commonly understood by those skilled in the art.
[0023] A kind of iridium complex, it contains three ligands, and described ligand is 2-(4,6-bistrifluoromethylpyridine-3-) quinoline, 2-(4,6-bistrifluoromethyl Pyridine-4-)quinoline, 2-(4,6-bistrifluoromethylpyridine-3-)isoquinoline, 2-(4,6-bistrifluoromethylpyridine-4-)isoquinoline, 2-(4,6-bistrifluoromethylpyridine-3-)quinazoline, 2-(4,6-bistrifluoromethylpyridine-4-)quinazoline and 2-(4,6-bis Any one of trifluoromethylpyridine-3-)phthalazine and 2-(4,6-bistrifluoromethylpyridine-4-)phthalazine derivatives, the ligand neutralizes iridium with a carbon atom The pyridine derivatives at position are: The quinoline, isoquinoline, quinazoline and phthalazine derivatives coordinated by nitrogen atoms...
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