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Light-Emitting Properties of Fluorene Based Copolymers

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Authors
Hwang, Do-Hoon; Lee, Jong-Don; Park, Moo-Jin; Lee, Ji-Hoon; Lee, Changhee
Issue Date
2004
Publisher
World Scientific Publishing
Citation
Journal of Nonlinear Optical Physics and Materials 2004;13:637-642
Keywords
Polyfluorenecarbazolecopolymerblue electroluminescence
Abstract
A series of random copolymers of 2,7-dibromo-9,9-bis(4′-n-octyloxyphenyl) fluorene (BOPF) and 2,7-dibromo-N-(2′-ethylhexyl)carbazole (EHC) were synthesized through Ni(0)-mediated polymerization. Carbazole comonomer was introduced to improve the hole-transporting properties of PBOPF. The synthesized poly(BOPF-co-EHC)s showed similar UV-visible absorption and PL emission to PBOPF. EL devices were fabricated in an ITO/PEDOT/polymer/Ca/Al configuration. EL devices which used copolymers showed improved device performance over devices which used PBOPF homopolymers due to a more balanced charge transport.
ISSN
0218-8635
Language
English
URI
http://hdl.handle.net/10371/13744
DOI
https://doi.org/10.1142/S0218863504002390
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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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