【摘要】 通过对螯合配体及辅助配体的设计与筛选,构筑了一种全新的天蓝光铱金属配合物（MeFPyPy）₂Ir（dipcMePy）（简称MFPMP）,实现了三重态配体中心、三重态金属-配体电荷转移和/或三重态配体-配体电荷转移跃迁类型混合比例较优化的发光过程.以MFPMP作为发光体的磷光有机电致发光器件实现了半峰宽为52 nm,最大发光波长为476 nm的窄光谱、单峰型、高亮度、高效率天蓝光发射,并在1000 cd/m²的实用亮度下保持了25%以上的外量子效率（EQE）,与目前报道的最高水平有机电致发光器件性能相当.本工作为进一步开发色纯度更高、更具有实用性的磷光配合物发光材料提供了一条可行的途径.更多还原

【Abstract】 Through the design and screening of cyclometalated（C^N）ligands and auxiliary ligands,a new sky blue iridium metal complex（MeFPyPy）₂Ir（dipcMePy）（MFPMP）was constructed,where the optimized proportion of ³LC and ³MLCT/³LLCT transition has been achieved. The MFPMP-based PhOLED realizes narrow spectrum,single peak,high brightness and high efficiency sky blue EL emission with a half peak width of 52 nm and a maximum emission wavelength of 476 nm,achieving an external quantum efficiency（EQE）of more than 25% at a practical luminance of 1000 cd/m²,which can be comparable to that of the highest-level OLEDs reported so far. This work provides a feasible way for further developing the phosphorescent complex materials with higher color purity and more practicability.更多还原