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@ARTICLE{Frielinghaus:907461,
author = {Frielinghaus, H. and Fomina, M. and Hayward, D. and Dubey,
P. S. and Jaksch, S. and Falus, P. and Fouquet, P. and
Fruhner, L. and Holderer, O.},
title = {{I}onic {L}iquid ({E}mim{A}c)-{W}ater {M}ixture {C}onfined
in {N}anoporous {G}lass {M}atrices {S}tudied {W}ith
{H}igh-{R}esolution {N}eutron {S}pectroscopy},
journal = {Frontiers in physics},
volume = {10},
issn = {2296-424X},
address = {Lausanne},
publisher = {Frontiers Media},
reportid = {FZJ-2022-02052},
pages = {872616},
year = {2022},
abstract = {We report on the structure and diffusion behaviour of the
various constituent molecules in ionic liquid (IL) mixtures
under confinement in nanoporous glasses. X-Ray diffraction
measurements indicate that the ions adopt a lamellar
arrangement under confinement. Furthermore, using selective
deuteration in combination with high resolution neutron
spectroscopy reveals how the dynamics and the activation
energy of the IL is affected by different confinement
conditions (pore sizes 50 Å and 135 Å) and different
temperatures (265 and 318 K). With different deuteration
schemes we could separate the different motions of acetate
and water. The confinement leads to distortions of the
domains, which gives more room for diffusion. In the smaller
pores, the stronger distortion gives even more room such
that the hydrogen bonds between acetate and water seem to be
even stronger than in bulk and weaker confinement. The
results are discussed in the context of previous
measurements on dry samples.},
cin = {JCNS-FRM-II / MLZ / JCNS-1 / JCNS-4},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3 /
I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)JCNS-4-20201012},
pnm = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
(POF4-6G4) / 632 - Materials – Quantum, Complex and
Functional Materials (POF4-632)},
pid = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
experiment = {EXP:(DE-MLZ)External-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000811069800001},
doi = {10.3389/fphy.2022.872616},
url = {https://juser.fz-juelich.de/record/907461},
}