Efficient red electroluminescence from devices having multilayers of a europium complex

被引：69

作者：

Hu, WP ^{[1
]}

Matsumura, M

Wang, MZ

Jin, LP

机构：

[1] Osaka Univ, Res Ctr Photoenerget Organ Mat, Osaka 5608531, Japan

[2] Beijing Normal Univ, Dept Chem, Beijing 100876, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2000年 / 77卷 / 26期

关键词：

D O I：

10.1063/1.1336161

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In order to get red electroluminescence from a europium (Eu) complex with high efficiency, a hole-injection layer was inserted between the Eu-complex layer and an indium-tin-oxide electrode, and a hole-blocking layer was inserted between the Eu-complex and electron-transporting layers. To further improve the efficiency, devices having multiple-stacked Eu-complex (2.5 nm)/hole blocking (2.5 nm) units were fabricated. By stacking six units, the maximal luminance and emission efficiency of the red emission were increased to more than twice that from a device with a single Eu-complex layer. (C) 2000 American Institute of Physics. [S0003-6951(01)02801-7].

引用

页码：4271 / 4273

页数：3

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