Competitive specific ion effects: a neutron reflectometry study of thermoresponsive polymer brushes in mixed electrolytes

dc.contributor.authorRobertson, Hen_AU
dc.contributor.authorJohnson, ECen_AU
dc.contributor.authorGresham, IJen_AU
dc.contributor.authorPrescott, SWen_AU
dc.contributor.authorNelson, Aen_AU
dc.contributor.authorWanless, EJen_AU
dc.contributor.authorWebber, GBen_AU
dc.date.accessioned2023-05-05T04:37:42Zen_AU
dc.date.available2023-05-05T04:37:42Zen_AU
dc.date.issued2020-10-26en_AU
dc.date.statistics2023-04-20en_AU
dc.description.abstractGrafted poly(ethylene glycol) methyl ether methacrylate (POEGMA) copolymer brushes change conformation in response to temperature ('thermoresponse'). In the presence of different ions the thermoresponse of these coatings is dramatically altered. These effects are complex and poorly understood with no all-inclusive predictive theory of specific ion effects. As natural environments are composed of mixed electrolytes, it is imperative we understand the interplay of different ions for future applications. We hypothesise anion mixtures from the same end of the Hofmeister series (same-type anions) will exhibit non-additive and competitive behaviour. © 2023 Elsevier B.V.en_AU
dc.description.sponsorshipThis research was supported by the Australian Research Council (DP190100788). Furthermore, we acknowledge ANSTO for the provision of beam time under grants P7289 and P7456. HR, ECJ and IJG would like to thank the Australian Government for providing financial assistance (Research Training Program Scholarships). AINSE Ltd is thanked for providing financial assistance to HR, ECJ and IJG (Honours scholarship and Post Graduate Research Awards).en_AU
dc.identifier.citationRobertson, H., Johnson, E. C., Gresham, I. J, Prescott, S. W., Nelson, A., Wanless, E. J., & Webber, G. B. (2021). Competitive specific ion effects: a neutron reflectometry study of thermoresponsive polymer brushes in mixed electrolytes. Journal of Colloid and Interface Science, 586(292-304). doi.org/10.1016/j.jcis.2020.10.092.en_AU
dc.identifier.issn0021-9797en_AU
dc.identifier.journaltitleJournal of Colloid and Interface Scienceen_AU
dc.identifier.pagination292-304en_AU
dc.identifier.urihttps://www.sciencedirect.com/science/article/abs/pii/S0021979720314326en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/15021en_AU
dc.identifier.volume586en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectEnvironmenten_AU
dc.subjectMethacrylatesen_AU
dc.subjectCopolymersen_AU
dc.subjectConformational changesen_AU
dc.subjectCoatingsen_AU
dc.subjectElectrolytesen_AU
dc.subjectHypothesisen_AU
dc.titleCompetitive specific ion effects: a neutron reflectometry study of thermoresponsive polymer brushes in mixed electrolytesen_AU
dc.typeJournal Articleen_AU
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