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dc.contributor.authorKayaci, Fatmaen_US
dc.contributor.authorVempati, Seshaen_US
dc.contributor.authorOzgit-Akgun, Caglaen_US
dc.contributor.authorBiyikli, Necmien_US
dc.contributor.authorUyar, Tameren_US
dc.date.accessioned2016-02-08T11:40:45Z
dc.date.available2016-02-08T11:40:45Z
dc.date.issued2014en_US
dc.identifier.issn0272-9172
dc.identifier.urihttp://hdl.handle.net/11693/26964
dc.description.abstractA hierarchy of nanostructured-ZnO was fabricated on the electrospun nanofibers by atomic layer deposition (ALD) and hydrothermal growth, subsequently. Firstly, we produced poly(acrylonitrile) (PAN) nanofibers via electrospinning, then ALD process provided a highly uniform and conformai coating of polycrystalline ZnO with a precise control on the thickness (50 nm). In the last step, this ZnO coating depicting dominant oxygen vacancies and significant grain boundaries was used as a seed on which single crystalline ZnO nanoneedles (average diameter and length of ∼25 nm and ∼600 nm, respectively) with high optical quality were hydrothermally grown. The detailed morphological and structural studies were performed on the resulting nanofibers, and the photocatalytic activity (PCA) was tested with reference to the degradation of methylene blue. The results of PCA were discussed in conjunction with photoluminescence response. The nanoneedle structures supported the vectorial transport of photo-charge carriers, which is crucial for high catalytic activity. The enhanced PCA, structural stability and reusability of the PAN/ZnO nanoneedles indicated that this hierarchical structure is a potential candidate for waste water treatment.en_US
dc.language.isoEnglishen_US
dc.source.titleMaterials Research Society Symposium Proceedings, Symposium K/RR – Synthesis, Characterization and Applications of Functional Materials—Thin Films and Nanostructuresen_US
dc.relation.isversionofhttp://dx.doi.org/10.1557/opl.2014.886en_US
dc.subjectAromatic compoundsen_US
dc.subjectCatalyst activityen_US
dc.subjectCoatingsen_US
dc.subjectDepositionen_US
dc.subjectFilmsen_US
dc.subjectFunctional materialsen_US
dc.subjectGrain boundariesen_US
dc.subjectNanofibersen_US
dc.subjectNanoneedlesen_US
dc.subjectNanostructuresen_US
dc.subjectOxygen vacanciesen_US
dc.subjectPhotocatalysisen_US
dc.subjectReusabilityen_US
dc.subjectStabilityen_US
dc.subjectWaste treatmenten_US
dc.subjectWastewater treatmenten_US
dc.subjectWater treatmenten_US
dc.subjectZinc oxideen_US
dc.subjectElectrospun nanofibersen_US
dc.subjectHierarchical structuresen_US
dc.subjectHydrothermal growthen_US
dc.subjectPhotocatalytic activitiesen_US
dc.subjectPhotoluminescence responseen_US
dc.subjectPolycrystalline ZnOen_US
dc.subjectStructural stabilitiesen_US
dc.subjectStructural studiesen_US
dc.subjectAtomic layer depositionen_US
dc.titleZnO nanostructures on electrospun nanofibers by atomic layer deposition/hydrothermal growth and their photocatalytic activityen_US
dc.typeConference Paperen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.citation.spage9en_US
dc.citation.epage14en_US
dc.citation.volumeNumber1675en_US
dc.identifier.doi10.1557/opl.2014.886en_US
dc.publisherMaterials Research Societyen_US
buir.contributor.orcidUyar, Tamer|0000-0002-3989-4481en_US


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