Impedance spectroscopy of polymer light-emitting diodes

被引：0
|
作者：
Azuma, H. [1 ]
Okachi, T. [1 ]
Watanabe, N. [1 ]
Kobayashi, T. [1 ]
Naito, H. [1 ]
机构：
[1] Osaka Prefecture Univ, Osaka 5998531, Japan
来源：
IDW/AD '05: PROCEEDINGS OF THE 12TH INTERNATIONAL DISPLAY WORKSHOPS IN CONJUNCTION WITH ASIA DISPLAY 2005, VOLS 1 AND 2 | 2005年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Impedance spectroscopy (IS) measurements have been carried out on poly(9,9-dioctylfluorene) (F8) single layer polymer light emitting diodes (PLEDs) below and above the threshold voltage for electroluminescence (EL) in order to determine the equivalent circuits of F8 PLEDs. A significant difference in the equivalent circuits can be revealed between below and above the threshold for EL. Below the threshold for EL, F8 PLEDs can be modeled by an equivalent circuit of one RC component with a small series resistance. Above the threshold for EL, F8 PLEDs can be modeled by a R - L series branch attached parallel to the RC component. These equivalent circuits are due to single injection in F8 PLEDs below the threshold for EL and to double injection above the threshold.
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收藏
页码：757 / 760
页数：4
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