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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
Author(s)
Wang, HuiRyu, Jeong-TakHan, Yoon SooKim, Dae-HwanChoi, Byeong DaePark, Lee SoonTeng, DayongKwon, Younghwan
Issued Date
2006-12
Citation
Molecular Crystals and Liquid Crystals, v.459, no.1, pp.95 - 107
Type
Article
Author Keywords
blue emissionhost matrixN-arylcarbazoletriarylamine
Keywords
Aromatic PolymersBlue emissionCarbazoleCopolymersCRYSTALElectrochemistryHost MatrixLight emitting DiodesN-ArylcarbazoleNITROGEN-HETEROCYCLESPHOTOCONDUCTIVITYPHOTOLUMINESCENCEPolycondensationSynthesis (Chemical)Triarylamine
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 & Francis
Related Researcher
  • 김대환 Kim, Dae-Hwan
  • Research Interests Solar Cells; 태양전지; Thin Film Deposition; 박막 증착; Atomic Layer Deposition; 원자층 증착; CIGS; CZTS; Sb chalcogenides; 안티모니 칼코지나이드
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