Nanofibrous nanocomposites via electrospinning

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buir.advisorÇıracı, Salim
dc.contributor.authorDeniz, Ali Ekrem
dc.date.accessioned2016-01-08T18:15:09Z
dc.date.available2016-01-08T18:15:09Z
dc.date.issued2011
dc.departmentGraduate Program in Materials Science and Nanotechnologyen_US
dc.descriptionAnkara : The Department of Materials Science and Nanotechnology and the Institute of Engineering and Sciences of Bilkent University, 2011.en_US
dc.descriptionThesis (Master's) -- Bilkent University, 2011.en_US
dc.descriptionIncludes bibliographical references leaves 63-69.en_US
dc.description.abstractIn recent years, numerous studies have been reported for fabrication of composite nanofibers from polymeric and inorganic materials by using electrospinning method. In the first part of this study, TiO2 and ZnO inorganic nanofibers were produced by electrospinning from their precursors by using polymeric carrier matrix and their photocatalytic activity of these metal oxide nanofibers were studied. Moreover, electrospun TiO2 nanofibers were crushed into short nanofibers (TiO2-SNF) and embedded in electrospun polymeric nanofiber matrixes such as poly(methyl methacrylate) (PMMA), polyacrylonitrile (PAN), polyethylene terephthalate (PET), polycarbonate (PC) and polyvinylidene fluoride (PVDF). Different weight loading of TiO2-SNF ranging from 2% to 8% (w/w, respect to polymer) incorporated into PVDF nanofibrous matrix was applied and the structural and morphological changes along with their photocatalytic activities were also examined. In the second part, metallic nanoparticles produced by laser ablation method were incorporated into nanofibrous polymeric matrix by using electrospinning technique. For example, gold (Au) and silver (Ag) nanoparticles (NPs) were produced from their metallic sources by laser ablation method directly in the polymer solutions. The NPs/polymer mixtures were electrospun and surface plasmon resonance effect of Au-NPs and Ag-NPs on optical properties of the nanofibers was studied. In addition, germanium nanocrystals produced by means of laser ablation were mixed with PVDF polymer solution and consequently electrospun into composite polymeric nanofiber matrix.en_US
dc.description.degreeM.S.en_US
dc.description.statementofresponsibilityDeniz, Ali Ekremen_US
dc.format.extentxiv, 70 leaves, illustrationsen_US
dc.identifier.urihttp://hdl.handle.net/11693/15222
dc.language.isoEnglishen_US
dc.publisherBilkent Universityen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectElectrospinningen_US
dc.subjectNanofibersen_US
dc.subjectTiO2en_US
dc.subjectZnOen_US
dc.subjectPhotocatalytic activityen_US
dc.subjectLaser ablationen_US
dc.subjectGermanium nanocrystalsen_US
dc.subjectGold nanoparticlesen_US
dc.subjectSilver nanoparticlesen_US
dc.subjectNanocompositesen_US
dc.subject.lccQC176.8.N35 D45 2011en_US
dc.subject.lcshNanocomposites (Materials)en_US
dc.subject.lcshNanoparticles.en_US
dc.subject.lcshNanostructured materials.en_US
dc.subject.lcshNanochemistry.en_US
dc.subject.lcshPolymerization.en_US
dc.subject.lcshPolymeric composition.en_US
dc.subject.lcshCatalysis.en_US
dc.subject.lcshFibers.en_US
dc.titleNanofibrous nanocomposites via electrospinningen_US
dc.typeThesisen_US

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Graduate Program in Materials Science and Nanotechnology - Master's degree