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Nanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicas

dc.contributor.authorMoro, Celso Camilopt_BR
dc.contributor.authorLansarin, Marla Azariopt_BR
dc.contributor.authorBagnara, Mônicapt_BR
dc.date.accessioned2013-07-02T01:43:51Zpt_BR
dc.date.issued2012pt_BR
dc.identifier.issn0100-4042pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/72947pt_BR
dc.description.abstractTiO2 nanotubes were synthesized by hydrothermal method and doped with three nitrogen compounds to enhance photocatalytic activity under visible light. Catalysts were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), diffuse reflectance spectroscopy (DRS) and specific surface area and pore volume determined by BET and BJH methods, respectively. Photocatalytic activity was evaluated by photodegradation of rhodamine B under visible and UV radiations. Results showed doped-nanotubes were more efficient under visible light. The best photocatalytic activity was for sample NTT-7-600/NH3I, being 30% higher than the non-doped sample.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoporpt_BR
dc.relation.ispartofQuímica nova. São Paulo. vol. 35, n. 8 (2012), p. 1560-1565pt_BR
dc.rightsOpen Accessen
dc.subjectNanotubospt_BR
dc.subjectTitania nanotubosen
dc.subjectNitrogen-dopeden
dc.subjectFotocatálisept_BR
dc.subjectPhotocatalysisen
dc.titleNanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicaspt_BR
dc.title.alternativeNitrogen-doped TiO2 nanotubes : comparison of photocatalytic activities of materials obtained using different techniquesen
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000861900pt_BR
dc.type.originNacionalpt_BR


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