Diffusion in ionic liquids: the interplay between molecular structure and dynamics

URN to cite this document:: urn:nbn:de:bvb:355-epub-247135

Sangoro, Joshua ; Iacob, Ciprian ; Naumov, S. ; Valiullin, R. ; Rexhausen, H. ; Hunger, Johannes ; Buchner, Richard ; Strehmel, V. ; Kärger, J. ; Kremer, Friedrich

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Date of publication of this fulltext: 06 Jun 2012 13:55

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Abstract

Diffusion in a series of ionic liqs. is investigated by a combination of Broadband Dielec. Spectroscopy (BDS) and Pulsed Field Gradient NMR (PFG NMR). It is demonstrated that the mean jump lengths increase with the mol. vols. detd. from quantum-chem. calcns. This provides a direct means-via Einstein-Smoluchowski relation-to det. the diffusion coeff. by BDS over more than 8 decades unambiguously ...