Using Ir(C6)_2(acac)as dopant and Alq_3 as electron transporting host with the same structure,a green color(CIE coordinates x=0.29;y=0.58)and a max luminance of 8 832 cd/m2 and an efficiency of 5.6 cd/A(quantum efficiency 1.5%)are obtained.

• y=0.；40的橙红色发光器件；最高亮度可达3 390 cd/m2；最大电流效率为1