Regensburg 2016 – scientific programme
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 33: Ionic Liquids and Water
CPP 33.3: Invited Talk
Wednesday, March 9, 2016, 10:00–10:30, H40
Quasi-elastic neutron scattering study of an ionic liquid confined in nanoporous carbon — Mark Busch1, Tommy Hofmann2, Boris Dyatkin3, Yuri Gogotsi3, Alexei Kornyshev4, Jan Embs5, Bernhard Frick6, and •Patrick Huber1 — 1TU Hamburg-Harburg, Hamburg, Deutschland — 2Helmholtz-Zentrum Berlin für Materialien und Energie, Berlin, Deutschland — 3Drexel University, Philadelphia, U. S. A. — 4Imperial College, London, UK — 5Laboratory for Neutron Scattering, Paul Scherrer Institut, Villigen, Schweiz — 6Institut Laue-Langevin, Grenoble, Frankreich
We present a quasi-elastic neutron backscattering study of the ionic liquid 1-N-butylpyridinium bis- ((trifluoromethyl)sulfonyl)imide [BuPy] [Tf2N] confined in carbide-derived nanoporous carbon samples of different pore sizes. Elastic and inelastic fixed window scans while varying the temperature between 2 K and 350 K as well as quasi-elastic spectra acquired at selected temperatures allow us to infer the thermally-activated molecular mobility of the spatially nanoconfined ions.