Organic electroluminescent devices using alkaline-earth fluorides as an electron injection layer

被引：32

作者：

Fujikawa, H ^{[1
]}

Mori, T ^{[1
]}

Noda, K ^{[1
]}

Ishii, M ^{[1
]}

Tokito, S ^{[1
]}

Taga, Y ^{[1
]}

机构：

[1] Toyota Cent Res & Dev Labs Inc, Nagakute, Aichi 4801192, Japan

来源：

JOURNAL OF LUMINESCENCE | 2000年 / 87-9卷

关键词：

organic electroluminescent device; electron injection layer; alkaline-earth fluoride;

D O I：

10.1016/S0022-2313(99)00587-6

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigated the properties of organic electroluminescent (EL) devices using alkaline-earth fluorides as an electron injection layer, and found that the alkaline-earth fluorides are desirable materials to reduce the turn-on voltage of the EL devices with Al cathode. In the devices using the fluorides as the electron injection layer, we found that the turn-on voltage can be associated with electronegativity of metal ion of the fluoride; the fluoride with a low electronegativity metal ion results in lowering the barrier height at the organic/Al interface and enhanced the electron injection. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：1177 / 1179

页数：3

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