Rare-earth metal 8-hydroxyquinolinate complexes as materials for organic light-emitting diodes

被引：11
|
作者：
Katkova, M. A. [1 ]
Ilichev, V. A. [1 ]
Konev, A. N. [1 ]
Bochkarev, M. N. [1 ]
机构：
[1] Russian Acad Sci, GA Razuvaev Inst Organometall Chem, Nizhnii Novgorod 603950, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2008年 / 57卷 / 11期
关键词：
organic light-emitting diode; electroluminescence; 8-hydroxyquinolinate; rare-earth metals; scandium; yttrium; samarium; terbium; dysprosium; holmium; thulium; ytterbium;
D O I：
10.1007/s11172-008-0321-3
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Rare-earth metal 8-hydroxyquinolinates (q) were studied as emission layers for organic light-emitting diodes. Compounds Dyq(3), Tbq(3), and Smq(3) possess weak electroluminescence due to the emission of the ligand, and the electroluminescence of Hoq(3), Tmq(3), and Ybq(3) is due to electronic transitions of the lanthanide ion. The best electroluminescence characteristics were demonstrated by Scq(3) and Yq(3). The power efficiency of the organic light emitter based on ITO/TPD/Scq(3)/Yb (ITO is tin-alloyed indium oxide, TPD is N,N'-bis(3-methylphenyl)-N,N'-diphenylbenzidine) is 2.6 lm W-1 at a luminance of the device of 300 cd m(-2).
引用
收藏
页码：2281 / 2284
页数：4
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