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dc.contributor.authorYargı, Önder
dc.contributor.authorUgur, Saziye
dc.contributor.authorPekcan, Önder
dc.date.accessioned2019-06-27T08:03:36Z
dc.date.available2019-06-27T08:03:36Z
dc.date.issued2013
dc.identifier.issn1053-0509
dc.identifier.urihttps://hdl.handle.net/20.500.12469/814
dc.identifier.urihttps://dx.doi.org/10.1007/s10895-013-1157-2
dc.description.abstractThis study examines the oxygen diffusion into polystyrene (PS) latex/multiwalled carbon nanotube (MWNT) nanocomposite films (PS/MWNT) consisting of various amounts of MWNT via steady state fluorescence technique (SSF). PS/MWNT films were prepared from the mixture of MWNT and pyrene (P)-labeled PS latexes at various compositions at room temperature. These films were then annealed at 170 A degrees C above glass transition (T-g) temperature of PS. Fluorescence quenching measurements were performed for each film separately to evaluate the effect of MWNT content on oxygen diffusion. The Stern-Volmer equation for fluorescence quenching is combined with Fick's law for diffusion to derive the mathematical expressions. Diffusion coefficients (D) were produced and found to be increased from 1.1 x 10(-12) to 41 x 10(-12) cm(2)s(-1) with increasing MWNT content. This increase was explained via the existence of large amounts of pores in composite films which facilitate oxygen penetration into the structure.
dc.language.isoEnglish
dc.publisherSpringer/Plenum Publishers
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCarbon nanotubes
dc.subjectFluorescence
dc.subjectDiffusion
dc.subjectOxygen
dc.subjectQuenching
dc.subjectComposite film
dc.titleOxygen Diffusion into Multiwalled Carbon Nanotube Doped Polystrene Latex Films Using Fluorescence Technique
dc.typeArticle
dc.identifier.startpage357
dc.identifier.endpage366
dc.relation.journalJournal Of Fluorescence
dc.identifier.issue3
dc.identifier.volume23
dc.identifier.wosWOS:000319079400001
dc.identifier.doi10.1007/s10895-013-1157-2
dc.contributor.khasauthorPekcan, Önder


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