About: Synthesis and properties of cationic polyelectrolyte with regioregular polyalkylthiophene backbone and ionic-liquid like side groups     Goto   Sponge   Distinct   Permalink

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  • High-regioregular poly{3-[6-(1-methylimidazolium-3-yl)hexyl]thiophene-2,5-diyl bromide}, PMHT-Br, has been prepared by reaction of high-regioregular (above 92%) poly[3-(6-bromohexyl)thiophene-2,5-diyl] with 1-methylimidazole. PMHT-Br is soluble in water and water miscible solvents such as methanol, DMSO and shows solvatochromism; lambda(max) (nm): 423 (H2O); 435 (MeOH); 452 (DMSO). Increased absorption band broadening observed for aqueous solution as well as NMR spectra in 020 suggests a micelle-like structure of PMHT-Br molecules in these solutions: poly(3-hexylthiophene) core and 1-methylimidazolium bromide shell. Despite the disturbing effect of ionic groups, the solid-state PMHT-Br shows absorption maximum at 520 nm, the band edge at 660 nm (ca. 1.9 eV), and fluorescence emission with maximum at 635 nm, in a good agreement with the polymer regioregularity.
  • High-regioregular poly{3-[6-(1-methylimidazolium-3-yl)hexyl]thiophene-2,5-diyl bromide}, PMHT-Br, has been prepared by reaction of high-regioregular (above 92%) poly[3-(6-bromohexyl)thiophene-2,5-diyl] with 1-methylimidazole. PMHT-Br is soluble in water and water miscible solvents such as methanol, DMSO and shows solvatochromism; lambda(max) (nm): 423 (H2O); 435 (MeOH); 452 (DMSO). Increased absorption band broadening observed for aqueous solution as well as NMR spectra in 020 suggests a micelle-like structure of PMHT-Br molecules in these solutions: poly(3-hexylthiophene) core and 1-methylimidazolium bromide shell. Despite the disturbing effect of ionic groups, the solid-state PMHT-Br shows absorption maximum at 520 nm, the band edge at 660 nm (ca. 1.9 eV), and fluorescence emission with maximum at 635 nm, in a good agreement with the polymer regioregularity. (en)
Title
  • Synthesis and properties of cationic polyelectrolyte with regioregular polyalkylthiophene backbone and ionic-liquid like side groups
  • Synthesis and properties of cationic polyelectrolyte with regioregular polyalkylthiophene backbone and ionic-liquid like side groups (en)
skos:prefLabel
  • Synthesis and properties of cationic polyelectrolyte with regioregular polyalkylthiophene backbone and ionic-liquid like side groups
  • Synthesis and properties of cationic polyelectrolyte with regioregular polyalkylthiophene backbone and ionic-liquid like side groups (en)
skos:notation
  • RIV/61389013:_____/10:00345579!RIV11-AV0-61389013
http://linked.open...avai/riv/aktivita
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  • P(GA104/09/1435), P(GD203/08/H032), P(KAN100500652), S, Z(AV0Z40500505), Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika
  • 14
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  • 291490
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  • RIV/61389013:_____/10:00345579
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  • conjugated polymers; ionic polythiophene; optical properties (en)
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  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [4C138D79DA7F]
http://linked.open...i/riv/nazevZdroje
  • Journal of Polymer Science. Part A - Polymer Chemistry
http://linked.open...in/vavai/riv/obor
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  • 48
http://linked.open...iv/tvurceVysledku
  • Pfleger, Jiří
  • Procházka, M.
  • Vohlídal, J.
  • Bondarev, D.
  • Sharf, Ahmed
  • Zedník, J.
  • Šloufová, I.
http://linked.open...ain/vavai/riv/wos
  • 000279707300011
http://linked.open...n/vavai/riv/zamer
issn
  • 0887-624X
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