Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0039-9140(97)00187-2
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dc.titleEffect of the composition of Nafion deposition solutions on the ion-exchange properties of the Nafion films by quartz crystal microbalance sensor (QCM)
dc.contributor.authorZhao, G.
dc.contributor.authorChan, H.
dc.contributor.authorLi, S.F.Y.
dc.date.accessioned2014-10-16T08:48:06Z
dc.date.available2014-10-16T08:48:06Z
dc.date.issued1998-02
dc.identifier.citationZhao, G., Chan, H., Li, S.F.Y. (1998-02). Effect of the composition of Nafion deposition solutions on the ion-exchange properties of the Nafion films by quartz crystal microbalance sensor (QCM). Talanta 45 (4) : 721-726. ScholarBank@NUS Repository. https://doi.org/10.1016/S0039-9140(97)00187-2
dc.identifier.issn00399140
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95457
dc.description.abstractA quartz crystal microbalance (QCM) sensor system was employed to investigate the properties of Nafion films on a gold surface supported on a quartz-crystal as a function of the water content in the deposition solutions (0.5% Nafion in mixed ethanol/water). The rates of loading and unloading of the complex ion Ru(bpy)3/2+ through Nafion films were measured. A linear dependence of the frequency changes on the percentage of water in the deposition solution was observed for both loading and unloading. The ion-exchange distribution coefficients for Nafion films from various deposition solutions were calculated. We concluded that films cast from solutions of higher water content had more 'open' structures which allowed faster diffusion of ions. This conclusion was further supported by the results of SEM experiments.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/S0039-9140(97)00187-2
dc.sourceScopus
dc.subjectIon-exchange
dc.subjectNafion
dc.subjectQuartz crystal microbalance sensor
dc.typeConference Paper
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1016/S0039-9140(97)00187-2
dc.description.sourcetitleTalanta
dc.description.volume45
dc.description.issue4
dc.description.page721-726
dc.description.codenTLNTA
dc.identifier.isiut000072165000014
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