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研制出了一种新型的Cu(Ⅰ)配合物[Cu(DPEphos)(PyPPN)]BF4 (CuL1L2),其中二DPEphos和PyPPN分别表示(2-二苯基膦基)苯基醚和吡啶并[1′,2′∶2,3] 吡嗪[5,6-f] 1,10-菲罗啉,并制备了结构为ITO(20)/2-TNATA (20nm)/NPB(40nm)/CBP∶8% CuL1L2(30nm)/BCP(20nm)/Alq3(20nm)/ LiF(1nm)/ Al(100nm)的掺杂式有机发光二极管(OLED).掺杂式器件在530nm处有较强的金属配合物三重态的绿光电致磷光 (ELECTROPHOSPHORESCENCE,EPL)发射,最大亮度为2388cd/m2,在电流为0.1mA时,器件的最大电流效率达到11.4cd/A,据我们所知,该OLED器件的EL性能是目前报道Cu(Ⅰ)磷光配合物的EPL器件中最高的.

参考文献

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