Fluorinated lamellar phases: structural characterisation and use as templates for highly ordered silica materials

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dc.contributor.authorPottage, MJen_AU
dc.contributor.authorTiara, Ken_AU
dc.contributor.authorGrillo, Ien_AU
dc.contributor.authorGarvey, CJen_AU
dc.contributor.authorStickland, ADen_AU
dc.contributor.authorTabor, RFen_AU
dc.date.accessioned2016-10-18T02:24:16Zen_AU
dc.date.available2016-10-18T02:24:16Zen_AU
dc.date.issued2014-05-13en_AU
dc.date.statistics2016-10-18en_AU
dc.description.abstractHighly ordered silica was synthesised by using a lamellar phase comprising the anionic fluorinated surfactant sodium perfluorooctanoate and the partially-fluorinated co-surfactant/oil 1H,1H,2H,2H-perfluorooctan-1-ol in water. The phase behaviour of this system was thoroughly analysed, and it was found that even low levels of the alcohol (<0.5 mol%) were sufficient to induce a phase change from normal micelles to a lamellar phase, rationalised as a result of geometric and electrostatic effects. The properties of these phases were compared to their hydrocarbon analogues, demonstrating the unique and valuable properties exhibited by fluorocarbons, directly related with the observed nanostructure. Small-angle neutron scattering was used to analyse the internal structure of the systems, providing information on the inter-lamellar spacing, bilayer thickness and membrane elasticity. The potential for these phases to act as shear-thinning lubricants was assessed using oscillatory rheology, obtaining shear-dependent viscosity along with storage and loss moduli.© 2014, The Royal Society of Chemistry.en_AU
dc.identifier.citationPottage, M. J., Kusuma, T., Grillo, I., Garvey, C. J., Stickland, A. D., & Tabor, R. F. (2014). Fluorinated lamellar phases: structural characterisation and use as templates for highly ordered silica materials. Soft Matter, 10(27), 4902-4912. doi:10.1039/c4sm00666fen_AU
dc.identifier.govdoc7343en_AU
dc.identifier.issn1744-6848en_AU
dc.identifier.issue27en_AU
dc.identifier.journaltitleSoft Matteren_AU
dc.identifier.pagination4902-4912en_AU
dc.identifier.urihttp://dx.doi.org/10.1039/c4sm00666fen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/7781en_AU
dc.identifier.volume10en_AU
dc.language.isoenen_AU
dc.publisherRoyal Society of Chemistryen_AU
dc.subjectSilicaen_AU
dc.subjectLamellaeen_AU
dc.subjectSodiumen_AU
dc.subjectNanostructuresen_AU
dc.subjectMembranesen_AU
dc.subjectModulationen_AU
dc.titleFluorinated lamellar phases: structural characterisation and use as templates for highly ordered silica materialsen_AU
dc.typeJournal Articleen_AU
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