Turton, David A. and Sonnleitner, Thomas and Ortner, Alex and Walther, Markus and Hefter, Glenn and Seddon, Kenneth R. and Stana, Simona and Plechkova, Natalia V. and Buchner, Richard and Wynne, Klaas (2012) Structure and dynamics in protic ionic liquids: A combined optical Kerr-effect and dielectric relaxation spectroscopy study. FARADAY DISCUSSIONS, 154. pp. 145-153. ISSN 1359-6640, 1364-5498
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The structure and dynamics of ionic liquids (ILs) are unusual due to the strong interactions between the ions and counter ions. These microscopic properties determine the bulk transport properties critical to applications of ILs such as advanced fuel cells. The terahertz dynamics and slower relaxations of simple alkylammonium nitrate protic ionic liquids (PILs) are here studied using femtosecond optical Kerr-effect spectroscopy, dielectric relaxation spectroscopy, and terahertz time-domain spectroscopy. The observed dynamics give insight into more general liquid behaviour while comparison with glass-forming liquids reveals an underlying power-law decay and relaxation rates suggest supramolecular structure and nanoscale segregation.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | NANOSTRUCTURAL ORGANIZATION; TEMPERATURE-DEPENDENCE; MOLECULAR-DYNAMICS; SOLVATION; NITRATE; ANION; ELECTROLYTES; SPECTRA; WATER; |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > PD Dr. Richard Buchner |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 25 May 2020 13:31 |
| Last Modified: | 25 May 2020 13:31 |
| URI: | https://pred.uni-regensburg.de/id/eprint/19652 |
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