BIPYRIDYL TRIAZOLE RARE EARTH COMPLEX AND PREPARATION PROCESS THEREFOR

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The invention provides a novel bipyridine triazole rare earth complex LnL3 as shown in formula 1 and a preparation method thereof. The rare earth complex has high thermal stability and is suitable for manufacturing devices by an evaporation film-forming process or manufacturing the devices by a solution film-forming process, and the preparation method has the advantages of high yield, good product purity, short reaction time and simplicity in operation, and can greatly reduce cost.