Synthesis, characterization and sensing behavior of WO3 nanocrystalline powder for toluene vapor

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dc.contributor.authorBoran, Filiz
dc.contributor.authorÇetinkaya, Sevil
dc.date.accessioned2019-05-13T08:57:35Z
dc.date.available2019-05-13T08:57:35Z
dc.date.issued2017
dc.departmentHitit Üniversitesi, Mühendislik Fakültesi, Kimya Mühendisliği Bölümü
dc.description.abstractTungsten oxide (WO3) nanocrystalline powder was successfully synthesized by direct precipitation technique starting from sodium tungstate dehydrate (Na2WO4•2H2O) as precursor at 80°C for 48 h. The morphological characteristics, distribution, and crystallite size of WO3 nanocrystalline powder were analysed by transmission electron microscopy, X-ray diffraction, and the Fourier transform infrared spectroscopy. According to transmission electron microscopy results, the mean particle size of WO3 nanocrystalline powder was approximately determined as 41.7 nm. The gas sensing performance of WO3 nanocrystalline powder for saturated toluene vapor was measured by two probe resistivity unit in a closed vessel at room temperature. In addition, WO3 nanocrystalline powder was able to respond the lowest concentration of 500 ppm. The results showed that the sample exhibited high sensitivity (93%) and good response reproducibility (0.93 + 5.5%) for toluene vapor.
dc.identifier.citationBoran, F., Çetinkaya, S. (2017). Synthesis, characterization and sensing behavior of WO3 nanocrystalline powder for toluene vapor. Acta Physica Polonica, A., 132(3).
dc.identifier.doi10.12693/APhysPolA.132.572
dc.identifier.endpage573en_US
dc.identifier.issn0587-4246
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ3
dc.identifier.startpage572en_US
dc.identifier.urihttps://doi.org/10.12693/APhysPolA.132.572
dc.identifier.urihttps://hdl.handle.net/11491/961
dc.identifier.volume132en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPolish Academy of Sciences
dc.relation.ispartofActa Physica Polonica A
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subject[Belirlenecek]en_US
dc.titleSynthesis, characterization and sensing behavior of WO3 nanocrystalline powder for toluene vapor
dc.typeConference Object

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