Ohmic cathode for low-voltage organic light-emitting diodes

被引：70
|
作者：
Feng, XD [1 ]
Huang, CJ [1 ]
Lui, V [1 ]
Khangura, RS [1 ]
Lu, ZH [1 ]
机构：
[1] Univ Toronto, Dept Mat Sci & Engn, Toronto, ON M5S 3E4, Canada
来源：
APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 14期
基金：
加拿大创新基金会;
关键词：
D O I：
10.1063/1.1899766
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
It is found that voltage-current characteristics of Al/C60 interfaces are fundamentally altered from a strong rectifying junction to an Ohmic junction where a LiF interlayer is used. Al/LiF/C60 has been used as an Ohmic cathode for organic light-emitting diode (OLED). The Ohmic cathode together with a high electron mobility of the fullerene layer have lead to a drastic reduction in the driving voltage and consequently a significant increase in the power efficiency of OLED. (C) 2005 American Institute of Physics.
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页码：1 / 3
页数：3
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