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@ARTICLE{Weiss:827677,
      author       = {Weiss, Henning and Mars, Julian and Li, Hailong and
                      Kircher, Gunnar and Ivanova, Oxana and Feoktystov, Artem and
                      Soltwedel, Olaf and Bier, Markus and Mezger, Markus},
      title        = {{M}esoscopic {C}orrelation {F}unctions in {H}eterogeneous
                      {I}onic {L}iquids},
      journal      = {The journal of physical chemistry / B},
      volume       = {121},
      number       = {3},
      issn         = {1089-5647},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2017-01790},
      pages        = {620 - 629},
      year         = {2017},
      abstract     = {A common feature of ionic liquids composed of cations with
                      long aliphatic side chains is structural heterogeneities on
                      the nanometer length scale. This so-called microphase
                      separation arises from the clustering of aliphatic moieties.
                      The temperature dependence of the liquid bulk structure was
                      studied by small-angle X-ray and neutron scattering for a
                      set of methylimidazolium ([C18C1im]+, [C22C1im]+) based
                      ionic liquids with tris(pentafluoroethyl)trifluorophosphate
                      ([FAP]−), bis(trifluoromethylsulfonyl)imide ([NTf2]−),
                      and bis(nonafluorobutylsulfonyl)imide ([NNf2]−) anions.
                      The experimental data is quantitatively analyzed using a
                      generalized Teubner–Strey model. Discussion of the
                      resulting periodicity d and correlation length ξ shows that
                      the structural heterogeneities are governed by the interplay
                      between the alkyl chain length, the geometry of the anion,
                      and entropic effects. Connections between the mesoscopic
                      correlation functions, density, and entropy of fusion are
                      discussed in comparison to alcohols. The observed
                      dependencies allow predictions on the mesoscopic correlation
                      functions based on macroscopic bulk quantities.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1 /
                      JCNS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)JCNS-2-20110106},
      pnm          = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000393009100016},
      doi          = {10.1021/acs.jpcb.6b11220},
      url          = {https://juser.fz-juelich.de/record/827677},
}