铱
磷光
有机发光二极管
化学
光化学
材料科学
光致发光
量子效率
电致发光
配体(生物化学)
发光
作者
Kum Hee Lee,Hyun Ju Kang,Seok Jae Lee,Ji Hyun Seo,Young Kwan Kim,Seung Soo Yoon
出处
期刊:Synthetic Metals
[Elsevier]
日期:2011-06-01
卷期号:161 (11-12): 1113-1121
被引量:14
标识
DOI:10.1016/j.synthmet.2011.03.030
摘要
A series of new iridium complexes with 5-acetyl-2-phenylpyridine derivatives as ligands was developed. The complexes exhibited high EL performance when applied to OLEDs. These materials showed red emission with a peak at 575–636 nm. In particular, one of the devices in this study showed a maximum luminous efficiency, maximum power efficiency, external quantum efficiency and CIE coordinates of 29.0 cd/A, 6.13 lm/W, 8.86% at 20 mA/cm2 and (0.57, 0.43) at 10 V, respectively. In addition, a deep red OLED with CIE coordinates of (0.67, 0.32) at 10 V exhibited a maximum luminous efficiency, maximum power efficiency and external quantum efficiency of 5.61 cd/A, 1.02 lm/W and 5.35% at 20 mA/cm2, respectively.
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