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Park, Lee Soon
School of Materials Science and Engineering
Research Interests
  • Flexible OLED new materials, process and fabrication
  • Touch Screen Panel(TSP) new materials and process new materials and process
  • Nano-materials synthesis and application (Ag nano-wire and metal mesh electrode)

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

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Title
Synthesis and characterization of poly(N-arylcarbazole-alt-aniline) copolymers as blue-emitting host matrix for polymer light-emitting diodes
Author
Wang, HuiRyu, Jeong-TakHan, Yoon SooKim, Dae-HwanChoi, Byeong DaePark, Lee SoonTeng, DayongKwon, Younghwan
Keywords
NITROGEN-HETEROCYCLES; PHOTOCONDUCTIVITY; CARBAZOLE; CRYSTAL; blue emission; host matrix; N-arylcarbazole; triarylamine
Issue Date
2006
Publisher
TAYLOR & FRANCIS LTD
Citation
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.459, no., pp.95 - 107
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
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DOI
10.1080/15421400600930417
ISSN
1542-1406
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MSE_Journal Papers
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