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Photoelectrochemical properties of sol-gel Nb2O5 films

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dc.contributor.authorBarros, D. D.
dc.contributor.authorAbreu, P. P.
dc.contributor.authorWerner, U.
dc.contributor.authorAegerter, M. A.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionINST NEUE MAT
dc.date.accessioned2014-05-20T15:20:17Z
dc.date.available2014-05-20T15:20:17Z
dc.date.issued1997-01-01
dc.description.abstractStructural, optical, electro and photoelectrochemical properties of amorphous and crystalline sol-gel Nb2O5 coatings have been determined. The coatings are n-type semiconductor with indirect allowed transition and present an overall low quantum efficiency (phi < 4%) for UV light to electric conversion. The photoconducting behavior of the coatings is discussed within the framework of the Gartner and Sodergren models. Improvement can be foreseen if Nb2O5 coatings can be made of 10-20 nm size nanoparticles.en
dc.description.affiliationUNIV ESTADUAL PAULISTA,DEPT QUIM,BR-17033360 BAURU,SP,BRAZIL
dc.description.affiliationINST NEUE MAT,D-66123 SAARBRUCKEN,GERMANY
dc.description.affiliationUnespUNIV ESTADUAL PAULISTA,DEPT QUIM,BR-17033360 BAURU,SP,BRAZIL
dc.format.extent735-742
dc.identifierhttp://dx.doi.org/10.1007/BF02436932
dc.identifier.citationJournal of Sol-gel Science and Technology. Dordrecht: Kluwer Academic Publ, v. 8, n. 1-3, p. 735-742, 1997.
dc.identifier.doi10.1007/BF02436932
dc.identifier.issn0928-0707
dc.identifier.urihttp://hdl.handle.net/11449/31621
dc.identifier.wosWOS:A1997WQ33400123
dc.language.isoeng
dc.publisherKluwer Academic Publ
dc.relation.ispartofJournal of Sol-Gel Science and Technology
dc.relation.ispartofjcr1.745
dc.relation.ispartofsjr0,477
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectsol-gelpt
dc.subjectNb2O5pt
dc.subjectfilmpt
dc.subjectphotoconductivitypt
dc.subjectphotoelectrochemistrypt
dc.subjectsemiconductorpt
dc.subjectsolar cellpt
dc.titlePhotoelectrochemical properties of sol-gel Nb2O5 filmsen
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights
dcterms.rightsHolderKluwer Academic Publ
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Ciências, Baurupt
unesp.departmentQuímica - FCpt

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Bauru - FC - Faculdade de Ciências