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Efficiency improvement of organic light-emitting diodes with pentacene as the buffer layer on ITO
Shi Shengwei 1 *,Peng Junbiao 1,Ma Dongge 2
1.South China University of Technology
2.2State Key Laboratory of Polymeric Physics and Chemistry, Changchun Institute of Applied Chemistry
*Correspondence author
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Funding: 科技部973计划项目,国家自然科学基金,国家自然科学基金,教育部重点项目(No.2002CB613405,50573024,50433030,104208)
Opened online:20 November 2007
Accepted by: none
Citation: Shi Shengwei ,Peng Junbiao,Ma Dongge.Efficiency improvement of organic light-emitting diodes with pentacene as the buffer layer on ITO[OL]. [20 November 2007] http://en.paper.edu.cn/en_releasepaper/content/16462
 
 
We report a study of Alq3-based organic light-emitting diodes (OLEDs) with a pentacene film deposited on indium tin oxide (ITO) as the buffer layer. The device with 1.0 nm pentacene layer shows the most efficient one as compared with the optimal standard device without a pentacene layer. The current and power efficiency are increased from 3.91 cd/A and 2.22 lm/w to 4.54 cd/A and 2.84 lm/w, respectively, and the luminance is also improved by 32%.
Keywords:pentacene, buffer layer, hole injection, organic light-emitting diodes
 
 
 

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