Synthesis of high aspect ratio WO2 nanostructures

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dc.contributor.authorCoşkun, Selim
dc.contributor.authorKoziol, Krzysztof
dc.date.accessioned2021-01-08T21:51:27Z
dc.date.available2021-01-08T21:51:27Z
dc.date.issued2016
dc.departmentTAÜ, Fen Fakültesi, Malzeme Bilimi ve Teknolojileri Bölümüen_US
dc.descriptionKoziol, Krzysztof/0000-0002-8360-1121; Coskun, Selim/0000-0002-3855-1612en_US
dc.descriptionWOS:000370151900002en_US
dc.description.abstractTungsten oxide (WO2) nanorods and nanowires were prepared by the heat treatment of WO2 nanocrystalline powders in the presence of Ar. Nanocrystalline powders produced by a simple water-assisted route at the room temperature were annealed at different temperatures for different durations, which yielded orthorhombic and monoclinic WO2 crystals. Annealing the powders at 700 degrees C and above resulted in orthorhombic WO2 nanorods/nanowires with an average diameter of 60-70 nm beside the monoclinic WO2 nanocrystalline powders with a diameter of similar to 5 nm. The lengths of the nanorods increased from several 100 nm up to several 10 mu m with increasing temperature while their diameters did not change. With increased length, nanowires became more elastic in nature having a cotton-like fabric. The prepared nanostructures have been characterized by X-ray powder diffraction measurements, scanning electron microscopy, transmission electron microscopy, and high-resolution transmission electron microscopy. An oriented attachment mechanism leading to root growth from a parent structure was proposed.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK); Royal SocietyRoyal Society of London
dc.description.sponsorshipThe authors would like to acknowledge the Scientific and Technological Research Council of Turkey (TUBITAK) for their financial support. Dr. Koziol thanks The Royal Society for the funding.
dc.identifier.doi10.1007/s11051-016-3360-y
dc.identifier.issn1388-0764
dc.identifier.issn1572-896X
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85008516517
dc.identifier.scopusqualityQ2
dc.identifier.urihttp://doi.org/10.1007/s11051-016-3360-y
dc.identifier.urihttps://hdl.handle.net/20.500.12846/271
dc.identifier.volume18en_US
dc.identifier.wosWOS:000370151900002
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorCoşkun, Selim
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofJournal Of Nanoparticle Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectTungsten Dioxide (Wo2)en_US
dc.subjectNanostructuresen_US
dc.subjectElectron Microscopyen_US
dc.subjectOriented Attachmenten_US
dc.subjectMicrostructureen_US
dc.titleSynthesis of high aspect ratio WO2 nanostructures
dc.typeArticle

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