A series of cyclometalated iridium complexes with a strong electron-donating and bulky diphenylamino group was prepared and the phosphorescence wavelengths were found to be greatly dependent on the substituent positions: some of them afforded high performance electroluminescence (EL) devices.
合成了一系列含有强给电子和空间位阻二苯基
氨基
配体的环
金属化
铱配合物,并发现其
磷光波长对取代基位置非常依赖:其中一些配合物制备了高性能电致发光器件。