A compound having an ancillary ligand L1 having the formula:
Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.
一种化合物,其辅助
配体 L1 的
化学式为
式 I 的化合物。
配体 L1 与原子序数大于 40 的
金属 M 配位,两个相邻的取代基可选择连接成一个环。这种化合物适合用作有机发光器件中的发光体。