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Improving the ozone gas-sensing properties of CuWO4 nanoparticles

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dc.contributor.authorCatto, Ariadne C. [UNESP]
dc.contributor.authorFiorido, Tomas
dc.contributor.authorSouza, Erica L. S.
dc.contributor.authorAvansi, Waldir
dc.contributor.authorAndres, Juan
dc.contributor.authorAguir, Khalifa
dc.contributor.authorLongo, Elson [UNESP]
dc.contributor.authorCavalcante, Laecio S.
dc.contributor.authorSilva, Luis F. da
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionAix Marseille Univ
dc.contributor.institutionUniv Estadual Piaui
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionJaume I Univ
dc.date.accessioned2018-11-29T12:10:37Z
dc.date.available2018-11-29T12:10:37Z
dc.date.issued2018-06-05
dc.description.abstractThis paper consists of an experimental investigation on the effects of annealing temperature on the structural, surface and ozone gas-sensing properties of CuWO4 nanoparticles prepared via a sono-chemical route. X-ray diffraction patterns and X-ray absorption near-edge structure spectroscopy revealed that both long-and short-order structures increase with the annealing temperature. Electrical resistance measurements indicated that CuWO4 samples were sensitive in the range of 15-1400 ppb, exhibiting a good reversibility and repeatability. The enhancement of the ozone gas-sensing properties was attributed to the reduction of hydroxyl species and the improvement of the crystallization degree. This study provides a versatile strategy for obtaining CuWO4 nanoparticles for practical applications as an ozone gas sensor. (C) 2018 Elsevier B.V. All rights reserved.en
dc.description.affiliationSao Paulo State Univ, Inst Chem, POB 355, BR-14801907 Araraquara, SP, Brazil
dc.description.affiliationAix Marseille Univ, CNRS UMR 7334 IM2NP, FS St Jerome S152, F-13397 Marseille, France
dc.description.affiliationUniv Estadual Piaui, PPGQ CCN, POB 381, BR-64002150 Teresina, PI, Brazil
dc.description.affiliationUniv Fed Sao Carlos, Dept Phys, Lab Nanostruct Multifunct Mat, BR-13565905 Sao Carlos, SP, Brazil
dc.description.affiliationJaume I Univ, Dept Chem & Phys, Castellon De La Plana, Spain
dc.description.affiliationUnespSao Paulo State Univ, Inst Chem, POB 355, BR-14801907 Araraquara, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipBrazilian Nanotechnology National Laboratory
dc.description.sponsorshipBrazilian Laboratory of Synchrotron Radiation (LNLS)
dc.description.sponsorshipGeneralitat Valenciana, Ministerio de Economia y Competitividad
dc.description.sponsorshipPrograma de Cooperacion Cientifica con Iberoamerica (Brazil), Ministerio de Educacion
dc.description.sponsorshipIdFAPESP: 2013/07296-2
dc.description.sponsorshipIdFAPESP: 2017/10313-7
dc.description.sponsorshipIdFAPESP: 2017/12437-5
dc.description.sponsorshipIdCNPq: 310863/ 2014-7
dc.description.sponsorshipIdCNPq: 434266/2016-7
dc.description.sponsorshipIdBrazilian Nanotechnology National Laboratory: LMF-18580
dc.description.sponsorshipIdBrazilian Laboratory of Synchrotron Radiation (LNLS): D04B-XAFS111883
dc.format.extent411-417
dc.identifierhttp://dx.doi.org/10.1016/j.jallcom.2018.03.104
dc.identifier.citationJournal Of Alloys And Compounds. Lausanne: Elsevier Science Sa, v. 748, p. 411-417, 2018.
dc.identifier.doi10.1016/j.jallcom.2018.03.104
dc.identifier.fileWOS000429838900053.pdf
dc.identifier.issn0925-8388
dc.identifier.urihttp://hdl.handle.net/11449/166089
dc.identifier.wosWOS:000429838900053
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofJournal Of Alloys And Compounds
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectSonochemical
dc.subjectCuWO4
dc.subjectSurface
dc.subjectChemiresistor
dc.subjectOzone
dc.titleImproving the ozone gas-sensing properties of CuWO4 nanoparticlesen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentBioquímica e Tecnologia - IQpt

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