한국응용과학기술학회지 (Journal of the Korean Applied Science and Technology)

  • 제31권3호
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  • Pages.337-344
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  • 2014
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  • 1225-9098(pISSN)
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  • 2288-1069(eISSN)
한국응용과학기술학회 (The Korean Society of Applied Science and Technology)
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공액 전도성 고분자와 이온성 액체 간에 상호작용 연구

Interaction of Conjugated Conducting Polymer with Ionic Liquids

  • Kim, Joong-Il (Department of Chemistry, Kwangwoon University) ;
  • Kim, Do-Young (Department of Electrical and Biological Physics, Kwangwoon University) ;
  • Kim, In-Tae (Department of Chemistry, Kwangwoon University)
  • 투고 : 2014.03.29
  • 심사 : 2014.09.02
  • 발행 : 2014.09.30
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초록

이 논문은 온도차에 따라 변화되는 이온성 액체와 낮은 밴드갭을 갖는 고분자인 poly(2-heptadecyl-4-vinylthieno[3,4-d]thiazole)(PHVTT) 간의 상호작용 및 고분자의 거동을 조사하였다. 이온성 액체는 methyl imidazolium chloride([MIM]Cl), butyl methyl imidazolium chloride([BMIM]Cl), tri-butyl methyl ammonium methyl sulfate([TBMA][ $MeSO_4$])를 사용하였으며, 21, 28, 32, $37^{\circ}C$로 온도를 변화시키며 상호작용의 변화를 UV-vis spectroscopy, FT-IR spectroscopy, photoluminescence spectroscopy를 통해 확인한 결과 이온성 액체인 [MIM]Cl, [TBMA][$MeSO_4$]와 PHVTT의 상호작용은 점차 약해짐을 확인할 수 있었지만, [BMIM]Cl은 온도 변화에 따른 상호작용의 변화를 보이지 않았다.

In this paper, we have examined the interaction of low bandgap polymer {poly(2-heptadecyl-4-vinylthieno[3,4-d]thiazole)(PHVTT)} with ionic liquids. Further, we have studied the temperature dependent interactions between the ionic liquids [tri-butyl methyl ammonium methyl sulfate ([TBMA][$MeSO_4$]), methyl imidazolium chloride ([MIM]Cl) and butyl methyl imidazolium chloride ([BMIM]Cl)] and polymer using UV-vis spectroscopy, FT-IR spectroscopy, photoluminescence (PL) spectroscopy, as a function of temperature at 21, 28, 32, $37^{\circ}C$. These experimental results suggest that interactions of polymer with ionic liquids ([MIM]Cl, [TBMA][$MeSO_4$]) showed weak interactions by increasing temperature but [BMIM]Cl has no significant effect with increase in temperature.

키워드

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