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Highly efficient single emissive layer white OLEDs based on solution-processed phosphorescent Ir(III) complexes
Molecular Crystals and Liquid Crystals ( IF 0.7 ) Pub Date : 2020-07-23 , DOI: 10.1080/15421406.2020.1743432
Woosum Cho 1 , Ho-Yeol Park 1 , Yeong-Soon Gal 2 , Sung-Ho Jin 1
Affiliation  

Abstract The efficient phosphorescent white organic light-emitting diodes (WOLEDs) using blue and orange cyclometalated Ir(III) complexes doped in PVK:mCP:OXD-7 mixed-host system were fabricated. Their photophysical, electrochemical, and electroluminescent properties were systematically investigated. The device configuration of ITO/PEDOT:PSS (40 nm)/emitting layer (50 nm)/TPBi (30 nm)/LiF (1 nm)/Al (100 nm) was used to fabricate the devices. The optimized white phosphorescent organic light-emitting diodes (OLEDs) exhibited a maximum current efficiency (CE) of 49.92 cd/A and external quantum efficiency (EQEmax) of 22.07%.

中文翻译:

基于溶液处理磷光 Ir(III) 配合物的高效单发光层白色 OLED

摘要 利用掺杂在 PVK:mCP:OXD-7 混合主体体系中的蓝色和橙色环金属化 Ir(III) 配合物制备了高效的磷光白色有机发光二极管 (WOLED)。系统地研究了它们的光物理、电化学和电致发光特性。ITO/PEDOT:PSS (40 nm)/发射层 (50 nm)/TPBi (30 nm)/LiF (1 nm)/Al (100 nm) 的器件配置用于制造器件。优化后的白色磷光有机发光二极管 (OLED) 的最大电流效率 (CE) 为 49.92 cd/A,外量子效率 (EQEmax) 为 22.07%。
更新日期:2020-07-23
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