基于一种氟代的配体2-(4'-氟苯基)-1-苯基-苯并咪唑,在高温(＞200℃)条件下直接合成了经式绿光铱配合物mer-Ir(FPBI)3,并通过1 H NMR和单晶X射线衍射分析确定了其经式构型.不同于以前报道的具有经式构型的铱配合物(＜0.1),mer-Ir (FPBI)3在甲苯溶液中的光致发光量子效率高达0.46.应用该配合物制备了高效磷光有机电致发光器件,最大电流效率和外量子效率分别为38.5 cd/A和11.8％,色坐标为(0.29,0.58).
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