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Synthesis and characterization of poly(N-arylcarbazole-alt-aniline) copolymers as blue-emitting host matrix for polymer light-emitting diodes

Title
Synthesis and characterization of poly(N-arylcarbazole-alt-aniline) copolymers as blue-emitting host matrix for polymer light-emitting diodes
Authors
Wang, H[Wang, Hui]Ryu, JT[Ryu, Jeong-Tak]Han, YS[Han, Yoon Soo]Kim, DH[Kim, Dae-Hwan]Choi, BD[Choi, Byeong Dae]Park, LS[Park, Lee Soon]Teng, D[Teng, Dayong]Kwon, Y[Kwon, Younghwan]
DGIST Authors
Han, YS[Han, Yoon Soo]; Kim, DH[Kim, Dae-Hwan]Choi, BD[Choi, Byeong Dae]
Issue Date
2006
Citation
Molecular Crystals and Liquid Crystals, 459, 95-107
Type
Article
Article Type
Article
Keywords
Aromatic PolymersBlue EmissionCopolymersElectrochemistryHost MatrixLight-Emitting DiodesN-ArylcarbazolePhotoluminescencePolycondensationSynthesis (Chemical)Triaryl Amine
ISSN
1542-1406
Abstract
Thermally stable and solution-processable poly(N-arylcarbazole-alt-aniline) copolymers with high structural integrity were synthesized in good yields via palladium-catalyzed polycondensation of aniline with corresponding N-arylcarbazole monomers such as N-(2-ethylhexyloxyphenyl)-3,6-dibromocarbazole, bis[6-bromo-N-(2-ethylhexyloxyphenyl)carbazole-3-yl] and N-(4-(2-ethylhexyl)-3, 5-dibromomethylene-phenyl)carbazole, respectively. The optical and electrochemical properties of these copolymers were measured and compared with those of poly(N-alkylcarbazole-alt-aniline) copolymer. All synthesized poly(N-arylcarbazole-alt-aniline) copolymers showed maximum UV-Vis absorption peaks at around 300 nm in THF solution, and exhibited maximum photoluminescence peaks in the blue emission range from 430 to 460 nm. It was also found that poly(N-arylcarbazole-alt-aniline) copolymers had wider band gap energy than poly(N-alkylcarbazole-alt-aniline) copolymer.
URI
http://hdl.handle.net/20.500.11750/2526
DOI
10.1080/15421400600930417
Publisher
Taylor and Francis Ltd.
Related Researcher
Files:
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Collection:
Convergence Research Center for Solar Energy1. Journal Articles
Division of Nano∙Energy Convergence Research1. Journal Articles
Convergence Research Center for Solar Energy1. Journal Articles


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