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Thin-Films of Poly-Triarylamines for Electro-Optic Applications

Cited 5 time in Web of Science Cited 5 time in Scopus
Authors
Choi, Kyungsun; Kwak, Jeonghun; Lee, Changhee; Kim, Hosub; Char, Kookheon; Kim, Dong Young; Zentel, Rudolf
Issue Date
2008
Publisher
Springer Verlag
Citation
Polym Bull 59:795
Abstract
We observed that a new anionic triarylamine copolymer, which is easily accessable by radical polymerization can be used for the preparation of thin semiconducting organic films in two extremely different ways: One is the LBL assembly from solution with a cationic polyelectrolyte as counter system; the other is direct vacuum deposition, whereby the polymer degrades to oligomers, but keeps the functional groups intact as proved by UV/Vis, NMR spectroscopy and cyclic voltammetry. The fabricated films are used in light emitting devices as hole transporting layers showing excellent properties. External EL quantum efficiency (ηext) and luminous efficiency-current density (J) characteristics of PLED device were studied.
ISSN
0170-0839 (Print)
1436-2449 (Online)
Language
English
URI
http://hdl.handle.net/10371/13665
DOI
https://doi.org/10.1007/s00289-007-0815-4
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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