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中文摘要：
使用绿色磷光材料GIrl作为掺杂剂，制备了基于CBP材料的一系列绿色有机电致发光器件（OLED）。其器件的结构为ITO／M003（50nm）／NPB（40nm）／TCTA（10nm）／CPB：GIrl（30nm，x％）／BCP（10nm）／Alq3（20nm）／LiF（1nm）／AI（100nm），其中x％为发光层客体掺杂质量分数。对7种不同的掺杂剂质量分数进行了比较，研究了它们的电致发光（EL）特性。结果显示，对发光面积为2．72cm0的器件，GIrl的最佳掺杂比为14％，器件的起亮电压为3．5V，器件的最大电流效率26．2cd／A，其相应的EL主峰位于524nm，色坐标为（0．34，0．61），得到了发光性能稳定的绿色0LED。
英文摘要：
Abstract.Green phosphorescent organic light emitting devices （OLEDs） were fabricated by doping green phosphorescent dye Girl and with the host material CBP as the emitting layer. The structure of the de- vices is ITO/MoO3 （50 nm）/NPB（40 nm）/TCTA（10 nm）/CPB.GIrl（30 nm,x%）/BCP（10 nm）/Alq3 （20 nrn）/LiF （1 nm）/Al（100 nm） ,in which x% is the doping mass fraction of Girl. Comparing 7 kinds of different dopant mass fractions, the luminescence characteristics of the devices are investigated. It is found that the best dopant mass fraction is 14% for the device with 2.72 cm2 light-emitting area, the turn-on voltage of this device is 3.5 V and the current efficiency is 26.2 cd/A. The electroluminescent （EL） spectra show a prominent peak at 524 nm and the color coordinate is （0. 34,0. 61）. We have ob- tained a green organic electroluminescent device with stable luminescent properties.
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