A compound of formula (I): wherein M is a transition metal; x is at least 1; z is 0 or a positive integer; L1 is a ligand selected from one of ligands (II-A), (II-B); L2 is a ligand selected from another of ligands of formulae (II-A), (II-B) and (II-C); and L3 is a ligand other than a ligand of formulae (II-A), (II-B) or (II-C): (II-A) (II-B) (II-C) in which each of R1 - R6 is substituent and Ar1 - Ar3 are each an unsubstituted or substituted aryl or heteroaryl group. The compound of formula (I) may be used as a phosphorescent light-emitting material of an organic light-emitting device.
公式(I)的化合物:其中M是过渡
金属;x至少为1;z为0或正整数;L1是从
配体(II-A)、(II-B)中选择的
配体;
L2是从
配体(II-A)、(II-B)和(II-C)的另一个中选择的
配体;L3是除了
配体(II-A)、(II-B)或(II-C)之外的另一种
配体:(II-A)(II-B)(II-C),其中R1-R6中的每个都是取代基,Ar1-Ar3中的每个都是未取代或取代的芳基或杂环芳基。公式(I)的化合物可用作有机发光器件的
磷光
发光材料。