Annealing Temperature Effects On Sol-gel Nanostructured Mesoporous Tio 2/sio2 And Its Photocatalytic Activity

dc.creatorStrauss M.
dc.creatorMaroneze C.M.
dc.creatorDe Souza E Silva J.M.
dc.creatorSigoli F.A.
dc.creatorGushikem Y.
dc.creatorMazali I.O.
dc.date2011
dc.date2015-06-30T20:38:07Z
dc.date2015-11-26T14:52:11Z
dc.date2015-06-30T20:38:07Z
dc.date2015-11-26T14:52:11Z
dc.date.accessioned2018-03-28T22:04:13Z
dc.date.available2018-03-28T22:04:13Z
dc.identifier
dc.identifierMaterials Chemistry And Physics. , v. 126, n. 01/02/15, p. 188 - 194, 2011.
dc.identifier2540584
dc.identifier10.1016/j.matchemphys.2010.11.041
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-78751610592&partnerID=40&md5=7fc5899aa0a1654b28ddd96f056d3131
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/108722
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/108722
dc.identifier2-s2.0-78751610592
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1254762
dc.descriptionMesoporous TiO2/SiO2 (5 wt% TiO2) was synthesized by the sol-gel method and thermally treated up to 1273 K. The materials obtained were characterized by N2 adsorption/desorption isotherms, XRD, TEM, Raman and UV-vis diffuse reflectance spectroscopies. The results indicate the presence of thermally stable anatase TiO2 nanoparticles (∼20 nm) highly dispersed in the SiO2 matrix, with no evidence of particle growth for materials treated up to 1073 K. Important features related to the number of structural defects and short-distance ordering of TiO2 nanoparticles were found and they have a direct relationship with the photocatalytic performance of the materials. Higher photocatalytic activity toward methylene blue decolourisation was observed for solids annealed at higher temperatures. © 2010 Elsevier B.V. All rights reserved.
dc.description126
dc.description01/02/15
dc.description188
dc.description194
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dc.languageen
dc.publisher
dc.relationMaterials Chemistry and Physics
dc.rightsfechado
dc.sourceScopus
dc.titleAnnealing Temperature Effects On Sol-gel Nanostructured Mesoporous Tio 2/sio2 And Its Photocatalytic Activity
dc.typeArtículos de revistas


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