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  • 1.
    Nyström, Lina
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Pharmacy.
    Nordström, Randi
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Pharmacy.
    Frenning, Göran
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Pharmacy.
    Saunders, Brian
    Univ Manchester, Manchester, Lancs, England.
    Alvarez-Asencio, Ruben
    KTH Royal Inst Technol, Dept Surface & Corros Sci, Stockholm, Sweden.
    Rutland, Mark
    KTH Royal Inst Technol, Dept Surface & Corros Sci, Stockholm, Sweden.
    Malmsten, Martin
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Pharmacy.
    Peptide loaded microgels as antimicrobial surface coatings2017In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 253Article in journal (Other academic)
  • 2.
    Pilkington, Georgia A.
    et al.
    KTH Royal Inst Technol, Dept Chem, Surface & Corros Sci, Stockholm, Sweden.
    Harris, Kathryn
    KTH Royal Inst Technol, Dept Machine Design, Syst & Component Design, Stockholm, Sweden.
    Bergendal, Erik
    KTH Royal Inst Technol, Dept Chem, Surface & Corros Sci, Stockholm, Sweden.
    Reddy, Akepati Bhaskar
    KTH Royal Inst Technol, Dept Machine Design, Syst & Component Design, Stockholm, Sweden.
    Pálsson, Gunnar K.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Physics.
    Vorobiev, Alexei
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Physics.
    Antzutkin, Oleg. N.
    Lulea Univ Technol, Chem Interfaces, Lulea, Sweden.
    Glavatskih, Sergei
    KTH Royal Inst Technol, Dept Machine Design, Syst & Component Design, Stockholm, Sweden;Univ Ghent, Dept Elect Energy Syst & Automat, Ghent, Belgium.
    Rutland, Mark W.
    KTH Royal Inst Technol, Dept Chem, Surface & Corros Sci, Stockholm, Sweden;RISE Res Inst Sweden, Surfaces Proc & Formulat, Stockholm, Sweden.
    Electro-responsivity of ionic liquid boundary layers in a polar solvent revealed by neutron reflectance2018In: Journal of Chemical Physics, ISSN 0021-9606, E-ISSN 1089-7690, Vol. 148, no 19, article id 193806Article in journal (Refereed)
    Abstract [en]

    Using neutron reflectivity, the electro-responsive structuring of the non-halogenated ionic liquid (IL) trihexyl(tetradecyl)phosphonium-bis(mandelato)borate, [ P-6,P-6,P-6,P-14][BMB], has been studied at a gold electrode surface in a polar solvent. For a 20% w/w IL mixture, contrast matched to the gold surface, distinct Kiessig fringes were observed for all potentials studied, indicative of a boundary layer of different composition to that of the bulk IL-solvent mixture. With applied potential, the amplitudes of the fringes from the gold-boundary layer interface varied systematically. These changes are attributable to the differing ratios of cations and anions in the boundary layer, leading to a greater or diminished contrast with the gold electrode, depending on the individual ion scattering length densities. Such electro-responsive changes were also evident in the reflectivities measured for the pure IL and a less concentrated (5% w/w) IL-solvent mixture at the same applied potentials, but gave rise to less pronounced changes. These measurements, therefore, demonstrate the enhanced sensitivity achieved by contrast matching the bulk solution and that the structure of the IL boundary layers formed in mixtures is strongly influenced by the bulk concentration. Together these results represent an important step in characterising IL boundary layers in IL-solvent mixtures and provide clear evidence of electro-responsive structuring of IL ions in their solutions with applied potential.

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