Aggregation of surfactants in magnetic ionic liquids
This proposal aims to explore aggregation behavior of common surfactants in magnetic ionic liquids (MILs) and to investigate the effect of magnetic field on aggregate size, shape and orientation. Such systems are especially significant as until now, with the exception of photosurfactants [1], it has only been possible to affect such behaviour intrusively (e.g. altering pH or temperature). Now, by turning “on” or “off” a magnetic field it may be possible to reversibly control aggregation behaviour, by altering the structure of the underlying solvent medium. This has potential applications spanning emulsions, magnetophoresis and catalysis. The proposal is supported by our recent article (Magnetic Control over Liquid Surface Properties with Responsive Surfactants, Angewandte Chemie, 2012, anie.201108010 accpeted 14-12-11, ref [11] in the list below ILL 9-10-1167). Magnetic surfactants in aqueous media have been studied by us [11], however the related systems which are the subject of this proposal (i.e. normal inert surfactants in a magnetic IL medium) have not been considered until now.
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EASTOE Julian; BROWN Paul; GRILLO Isabelle; JAMES Craig; NAZ Asma; ROGERS Sarah and Gregory N. Smith. (2012). Aggregation of surfactants in magnetic ionic liquids. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1249
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