Bipyridine triazole type rare earth complex and preparation method thereof

摘要

A 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 devices by a solution film-forming process. The preparation method has the advantages of high yield, good product purity, short reaction time and simplicity in operation, and can greatly reduce cost.;

主权项

1. A bipyridine triazole type rare earth complex LnL3, represented by structural formulas as shown in Formula 1: wherein R1 is hydrogen, halogen, an alkane group or an aromatic hydrocarbon group; R2 is hydrogen, halogen, an alkane group or an aromatic hydrocarbon group; R3 is hydrogen, halogen, methyl, trifluoromethyl or phenyl; and central rare earth ion Ln is any one of yttrium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium.