photoluminescence quantum efficiency yields (λmax = 540 nm, Φ = 71.2% for Ir-TN3T and λmax = 513 nm, Φ = 91.0% for Ir-TN4T, respectively) in CH2Cl2 solution at room temperature. Organic light emitting diodes (OLEDs) with single-emitting-layer and double-emitting-layer structures exhibit good performances. Particularly, device D2 with a double-emitting-layer structure based on a Ir-TN4T complex of 8 wt% doped concentration
具有2',6'-双(三
氟甲基)-
2,3'-联吡啶(TN 3 T)和2',6'的两个新的
铱(III)环
金属化配合物(Ir-TN 3 T和Ir-TN 4 T)-双(三
氟甲基)-2,4'-联
吡啶(TN 4 T)作为环
金属化
配体和2-(4,5
-二苯基-4 H -
1,2,4-三唑-3-基)
苯酚(dptp)随着辅助
配体的发展。这两种复合物的绿色荧光体具有高的光致发光量子效率的产率(λ最大= 540纳米,Φ = 71.2为%的Ir-TN 3 Ť和λ最大= 513纳米,Φ室温下,分别在CH 2 Cl 2溶液中的Ir-TN 4 T分别为91.0%)。具有单发光层和双发光层结构的有机发光二极管(OLED)表现出良好的性能。特别地,具有基于8wt%掺杂浓度的Ir-TN 4 T配合物的双层发射层结构的器件D2表现出优异的性能,具有94.29 cd A -1的峰值电流效率和峰值外部量子效率(EQE max)的31.