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@ARTICLE{Novak:826606,
      author       = {Novak, Sanja and Morasi Piperčić, Sara and Makarić,
                      Sandro and Primožič, Ines and Ćurlin, Marija and
                      Štefanić, Zoran and Domazet Jurašin, Darija},
      title        = {{I}nterplay of {N}oncovalent {I}nteractions in {I}onic
                      {L}iquid/{S}odium {B}is(2-ethylhexyl) {S}ulfosuccinate
                      {M}ixtures: {F}rom {L}amellar to {B}icontinuous {C}ubic
                      {L}iquid {C}rystalline {P}hase},
      journal      = {The journal of physical chemistry / B},
      volume       = {120},
      number       = {49},
      issn         = {1520-5207},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2017-00825},
      pages        = {12557 - 12567},
      year         = {2016},
      abstract     = {Phase transitions in mixtures of imidazolium based ionic
                      liquid ([C12mim]Br) and anionic double tail surfactant,
                      sodium bis(2-ethylhexyl) sulfosuccinate (AOT), were studied
                      using a multitechnique approach. The system was primarily
                      chosen for its expected ability to form a variety of
                      lamellar and nonlamellar liquid crystalline phases which can
                      transform into each other via different mechanisms.
                      Depending on the bulk composition and total surfactant
                      concentration, mixed micelles, coacervates, and lamellar and
                      inverse bicontinuous cubic liquid crystalline phase were
                      observed. Along with electrostatic attractions and geometric
                      packing constraints, additional noncovalent interactions
                      (hydrogen bonding, π–π stacking) enhanced attractive
                      interactions and stabilized low curvature aggregates. At
                      stoichiometric conditions, coexistence of coacervates and
                      vesicles was found at lower, while bicontinuous cubic phase
                      and vesicles were present at higher total surfactant
                      concentrations. The phase transitions from a dispersed
                      lamellar to inverse cubic bicontinuous phase occur as a
                      consequence of charge shielding and closer packing of
                      oppositely charged headgroups followed by a change in
                      bilayer curvature. Transition is continuous with both phases
                      coexisting over a relatively broad range of concentrations
                      and very likely involves a sponge-like phase as a structural
                      intermediate. To the best of our knowledge, this type of
                      phase transition has not been observed before in surface
                      active ionic liquid/surfactant mixtures.},
      cin          = {ICS-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-3-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551)},
      pid          = {G:(DE-HGF)POF3-551},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000390072200015},
      pubmed       = {pmid:27973815},
      doi          = {10.1021/acs.jpcb.6b10515},
      url          = {https://juser.fz-juelich.de/record/826606},
}