Turton, D.A. and Sonnleitner, Thomas and Ortner, A. and Walther, M. and Hefter, Glenn and Seddon, K.R. and Stana, S. and Plechkova, N.V. and Buchner, Richard and Wynne, K. (2012) Structure and dynamics in protic ionic liquids: A combined optical Kerr-effect and dielectric relaxation spectroscopy study. Faraday Discussions 154, pp. 145-153.
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The structure and dynamics of ionic liqs. (ILs) are unusual due to the strong interactions between the ions and counter ions. These microscopic properties det. the bulk transport properties crit. to applications of ILs such as advanced fuel cells. The terahertz dynamics and slower relaxations of simple alkylammonium nitrate protic ionic liqs. (PILs) are here studied using femtosecond optical Kerr-effect spectroscopy, dielec. relaxation spectroscopy, and terahertz time-domain spectroscopy. The obsd. dynamics give insight into more general liq. behavior while comparison with glass-forming liqs. reveals an underlying power-law decay and relaxation rates suggest supramol. structure and nanoscale segregation.
|Institutions:||Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > PD Dr. Richard Buchner|
|Keywords:||ethylammonium propylammonium nitrate protonic ionic liq OKE dielec relaxation|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||05 Jun 2012 11:47|
|Last Modified:||02 Jul 2012 09:10|