S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Chemical and Biological Engineering (화학생물공학부) Journal Papers (저널논문_화학생물공학부)
Synthesis and Properties of Pyrrolidinium and Piperidinium Bis(trifluoromethanesulfonyl)imide Ionic Liquids with Allyl Substituents
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- Issue Date
- 대한화학회 = The Korean Chemical Society
- Bull. Korean Chem. Soc. 2007, 28, 1567
- Ionic liquid ; Pyrrolidinium ; Piperidinium ; Bis(trifluoromethanesulfonyl)imide (TFSI) ; Allyl substituent
- New pyrrolidinium and piperidinium bis(trifluoromethanesulfonyl)imide (TFSI) ionic liquids (ILs) having
allyl substituents were synthesized and characterized. All of them are liquid at room temperature and stable up
to 300 oC. The pyrrolidinium-based ILs showed better conductivities and lower viscosities than the
corresponding piperidinium-based ILs. Among them, 1-allyl-1-methylpyrrolidinium TFSI showed the lowest
viscosity of 52 cP, the highest conductivity of 5.7 mS cm−1, and the most negative cathodic voltage window of
−3.2 V (vs. Fc/Fc+) on a platinum electrode, which are the improved results compared to the corresponding
analogue having a saturated substituent, 1-methyl-1-propylpyrrolidinium TFSI.
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