Enhanced electron injection in organic electroluminescence devices using an Al/LiF electrode

被引:1431
作者
Hung, LS
Tang, CW
Mason, MG
机构
[1] Imaging Res. and Adv. Development, Eastmak Kodak Company, Rochester
关键词
D O I
10.1063/1.118344
中图分类号
O59 [应用物理学];
学科分类号
摘要
A bilayer is used as an electrode for organic electroluminescent devices. The bilayer consists of an ultrathin LiF layer adjacent to an electron-transporting layer and an aluminum outerlayer. Devices with the bilayer electrode showed enhanced electron injection and high electroluminescence efficiency as compared with a Mg0.9Ag0.1 cathode. Similar effects were observed when replacing MgO for LiF. The improvements are attributed to band bending of the organic layer in contact with the dielectrics. (C) 1993 American Institute of Physics.
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页码:152 / 154
页数:3
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