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Influence ofp-isopropenylcalixarenestyrene copolymer buffer layer over Alq3 based OLEDs

Published online by Cambridge University Press:  02 September 2010

P. K. Petrova ,
R. L. Tomova ,
R. T. Stoycheva-Topalova  and
St. M. Miloshev
P. K. Petrova*
Affiliation:
Central Laboratory of Photoprocesses “Acad. J. Malinowski”, Bulgarian Academy of Sciences, “Acad. G. Bonchev” str., bl. 109, 1113 Sofia, Bulgaria
R. L. Tomova
Affiliation:
Central Laboratory of Photoprocesses “Acad. J. Malinowski”, Bulgarian Academy of Sciences, “Acad. G. Bonchev” str., bl. 109, 1113 Sofia, Bulgaria
R. T. Stoycheva-Topalova
Affiliation:
Central Laboratory of Photoprocesses “Acad. J. Malinowski”, Bulgarian Academy of Sciences, “Acad. G. Bonchev” str., bl. 109, 1113 Sofia, Bulgaria
St. M. Miloshev
Affiliation:
Department of Polymer Engineering, Faculty of Chemistry Technology, University of Chemical Technology and Metallurgy, Kliment Ohridsky Boulevard 8, 1756 Sofia, Bulgaria
*
[email protected]
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Abstract

The characteristics of organic light-emitting devices based on aluminum tris-(8-hydroxy-quinoline) (Alq3), N,N'-bis(3-methylphenyl)-N,N'-diphenylbenzidine (TPD) with novel p-isopropenyl-calix[8]arenestyrene copolymer buffer layer and Al cathode were investigated. The devices with TPD/Alq3/Al were also fabricated in the same way for comparison. The p-isopropenylcalix[8]arenestyrene copolymer used as buffer layer greatly improved the performance of the device and increased the device efficiency and stability.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 51 , Issue 3: Focus on Flexible Organic Electronics , September 2010 , 33210
Copyright
© EDP Sciences, 2010

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