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Near-surface structure of Nafion in deuterated water

Bunkin, N F; Shkirin, Alexey V; Kozlov, Valeriy; Ninham, Barry; Uspenskaya, Elena V; Gudkov, Sergey


The swelling of a polymer ion-exchange membrane Nafion in water with various heavy isotope contents (D2O) was studied by photoluminescent UV spectroscopy. The photoluminescence arises because of the presence of sulfonic groups attached to the ends of the perfluorovinyl ether groups that form the tetrafluoroethylene (Teflon) backbone of Nafion. The width of the colloidal region, which is formed near the membrane surface as a result of the outgrowth of Nafion microfibers toward the bulk liquid,...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Journal of Chemical Physics
DOI: 10.1063/1.5042065
Access Rights: Open Access


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