BIPYRIDYL TRIAZOLE RARE EARTH COMPLEX AND PREPARATION PROCESS THEREFOR

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Provided in the present invention are a new bipyridyl triazole rare earth complex LnL3 as shown in formula I and a preparation process therefor. The rare earth complex has a high thermal stability, and is suitable to be manufactured into a device by an evaporation film-forming process and a device by a solution film-forming process; the preparation process has advantages, such as a high yield, a high product purity, a short reaction time, and a simple operation, which significantly reduces the costs.