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  4. Dielectric spectroscopy of Pyr14TFSI and Pyr12O1TFSI ionic liquids
 
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2018
Journal Article
Titel

Dielectric spectroscopy of Pyr14TFSI and Pyr12O1TFSI ionic liquids

Abstract
Due to the conductivity of ionic liquids (IL), the dipolar dynamics are covered by charge separation phenomenon, which leads to difficulties extracting necessary parameters, i.e. static dielectric permittivity. We suggest a procedure, which allows relatively easy extracting parameters of dipolar dynamics of IL. Our experiments were performed on Pyr14TFSI and Pyr12O1TFSI ILs. Obtained results allowed comparing the dipolar dynamics of both materials. The factor, which makes the static dielectric permittivity of Pyr12O1TFSI to be higher than that of Pyr14TFSI may be accounted for the permanent dipole of Pyr12O1+ cation.
Author(s)
Jablonskas, Dziugas
Ivanov, Maksim
Banys, Juras
Giffin, Guinevere A.
Fraunhofer-Institut für Silicatforschung ISC
Passerini, Stefano
Zeitschrift
Electrochimica Acta
Thumbnail Image
DOI
10.1016/j.electacta.2018.04.104
Language
English
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Fraunhofer-Institut für Silicatforschung ISC
Tags
  • ionische Flüssigkeit

  • dielektrische Spektro...

  • Mikrowelle

  • elektrische Leitfähig...

  • elektrischer Widersta...

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