A novel red organic electroluminescent device using Eu complex as an emitting layer

被引:33
作者
Okada, K [1 ]
Wang, YF [1 ]
Nakaya, T [1 ]
机构
[1] Osaka City Univ, Fac Engn, Dept Bioappl Chem, Sumiyoshi Ku, Osaka 5588585, Japan
关键词
beta-diketone; europium complexes; organic electroluminescent devices; red photoluminescence; current density;
D O I
10.1016/S0379-6779(98)00118-0
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A novel europium complex, Eu(MDFP)(3)(phen) (MDFP = 5-methyl-1,3-di-(2-furyl)-1,3-propanedione, phen = 1,10-phenanthroline), was synthesized and applied to an organic electroluminescent (EL) device as an emitting material and an electron-transporting material. The double-layered EL device has been fabricated by using triphenyldiamine derivative (TPD) as a hole-transporting layer and Eu(MDFP)(3)(phen) as an active emitting layer sandwiched between indium-tin oxide (ITO) and an alloy of Al/Li (99:1) electrodes. The deposited EL device was observed to emit a bright red light originating from Eu(MDFP),(phen) with a maximum luminance of 32.0 cd/m(2) at 9 V and 25.7 mA/cm(2). (C) 1998 Elsevier Science S.A. All rights reserved.
引用
收藏
页码:113 / 116
页数:4
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