Ionic liquids (ILs) have become objects of great interest over the past decade or so both as individual working fluids and as solvents for small organic and inorganic ions and molecules, surfactants, and polymers. Using neutron and x-ray diffraction and small-angle scattering, we have been examining binary and ternary mixtures of ionic liquids and molecular species in order to understand how to control liquid nanostructure on a wide range of intermediate length scales between that in the IL and micelle-like structures seen in conventional amphiphilic mesophases. These weakly structured complex fluids are sensitive to the usual handles of ion structure, H-bonding capacity, allowing ILs to play the role of polar solvent or hydrotrope. The resultant variations in liquid nanostructure leads to control over miscibility similar to pre-<i>Ouzo</i> aqueous mixtures.<br/>

Liquid structure and self-assembly in ternary ionic liquid systems

255th National Meeting (2018)

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