以铱配合物Ir(tfmppy)2(tpip) (1, tfmppy = 4-三氟甲基苯基吡啶, tpip=四苯基膦酰胺)和Ir(dfppy)2(tpip) (2, dfppy=4,6-二氟苯基吡啶)为发光中心分别制备了绿色和蓝绿色有机电致发光器件ITO/ TAPC (1,1-bis［4-［N,N-di(p-tolyl)amino］ phenyl］cyclohexane, 60 nm)/Ir(Ⅲ)complex(x%, 质量分数)∶SimCP(3,5-bis(9-carbazolyl) tetraphenylsilane, 40 nm)/TPBi (2,2′,2″-(1,3,5-benzinetriyl)-tris(1-phenyl-1-H-benzimidazole, 60 nm)/LiF (1 nm)/Al (100 nm)。配合物Ir(tfmppy)2(tpip)掺杂质量分数为6%时, 以其为发光中心的绿色器件在5 930 cd/m2亮度下的最大电流效率为47.10 cd/A, CIE色坐标为(0.28, 0.65), 在16.4 V驱动电压下的最大发光亮度为38 674 cd/m2。配合物Ir(dfppy)2(tpip)掺杂质量分数为10%时, 以其为发光中心的蓝绿色器件在3 175 cd/m2亮度下的最大电流效率为14.80 cd/A, 色坐标为(0.15, 0.50), 在11.8 V驱动电压下的最大发光亮度为25 985 cd/m2。

Green and bluish-green organic light emitting diode (OLEDs) devices based on Ir(tfmppy)2(tpip) ［1, tfmppy=4-trifluoromethylphenylpyridine, tpip=tetraphenylimido-diphosphinate］ and Ir(dfppy)2(tpip) ［2, dfppy=4,6-difluorophenylpyridine］ as emitters were constructed with the device structure of ITO / TAPC (1,1-bis［4-［N,N- di(p-tolyl)amino］phenyl］cyclohexane, 60 nm)/Ir(Ⅲ) complex (x%, mass fraction): SimCP (3,5-bis(9-carbazolyl)tetraphenylsilane, 40 nm)/TPBi (2,2′,2″-(1,3,5-benzinetriyl)-tris(1-phenyl-1-H-benzimidazole, 60 nm)/LiF (1 nm)/Al (100 nm). Green device with 6% 1 doped concentration showed a maximum current efficiency of 47.10 cd/A at 5 930 cd/m2, a maximum brightness of 38 674 cd/m2 at 16.4 V with (0.28, 0.65) at Commission Internationale de LEclairage (CIE) coordinates. Bluish-green device with 10% 2 doped concentration exhibited a current efficiency of 14.80 cd/A at 3 175 cd/m2, a brightness of 25 985 cd/m2 at 11.8 V CIE coordinates of (0.15, 0.50).