Organic light emitting diodes based on multi-wall carbon nanotubes (MWNTs) modified electrode

被引：7
|
作者：
Yang, MJ [1 ]
Zhang, QH [1 ]
机构：
[1] Zhejiang Univ, Dept Polymer Sci & Engn, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2004年 / 39卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Polymer; Carbon Nanotubes; Modify Electrode;
D O I：
10.1023/B:JMSC.0000030736.85726.b4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The light-emitting diodes with functional multi-wall carbon nanotubes (MWNTs) were fabricated where MWNTs were dispersed in a conducting polymer as a hole-conducting buffer. The light-emitting diodes based on MWNTs modified electrode had twice the external quantum efficiency compared with the standard indium-tin-oxide (ITO)-based electrodes. The MWNTs were prepared by refluxing with HNO3:H2SO4 for 30 min. and the MWNT suspension was prepared by dispensing 5 mg functional MWNTs in 10-6 m3 deionized water with ultrasonic agitation. It was observed that the threshold voltage reduced with the improvement of MWNTs concentration in PSSNa:PVA mixture and the device turned bright more easily.
引用
收藏
页码：3777 / 3778
页数：2
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