Structural and textural features of TiO2/SAPO-34 nanocomposite prepared by the sol–gel method

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dc.contributorMateriales Carbonosos y Medio Ambientees_ES
dc.contributor.authorBellatreche, Salima-
dc.contributor.authorHasnaoui, Abdelkrim-
dc.contributor.authorBoukoussa, Bouhadjar-
dc.contributor.authorGarcía Aguilar, Jaime-
dc.contributor.authorBerenguer-Murcia, Ángel-
dc.contributor.authorCazorla-Amorós, Diego-
dc.contributor.authorBengueddach, Abdelkader-
dc.contributor.otherUniversidad de Alicante. Departamento de Química Inorgánicaes_ES
dc.contributor.otherUniversidad de Alicante. Instituto Universitario de Materialeses_ES
dc.identifier.citationResearch on Chemical Intermediates. 2016, 42(12): 8039-8053. doi:10.1007/s11164-016-2577-9es_ES
dc.identifier.issn0922-6168 (Print)-
dc.identifier.issn1568-5675 (Online)-
dc.description.abstractThis paper focuses on the synthesis of nanocomposite materials, TiO2/SAPO-34, using the sol–gel method, which involves preparing a mixture between as-synthesized or calcined SAPO-34 zeolite and TiO2 gel under hydrothermal crystallization and then calcining it at 400 °C for the formation of the TiO2 anatase phase. The structural and textural features of the obtained materials were determined by various physico-chemical techniques such as thermogravimetric analysis, X-ray diffraction, scanning electronic microscopy, nitrogen sorption at 77 K, energy dispersive X-ray analysis and ultraviolet–visible spectrometry. The DRX results showed that calcination at 400 °C of the mixture between the calcined SAPO-34 and TiO2 gel led to the collapse of the original framework of zeolite, but formed the anatase TiO2 in a nano-spherical morphology; however, the use of as-synthesized SAPO-34 supports provides a mixture phase between SAPO-34 and TiO2 anatase after calcination. The photocatalytic properties of the SAPO-34/TiO2 and TiO2-type materials were tested for the removal of methylene blue (MB) dye. The MB degradation proved to increase as a function of contact time, catalyst mass and the initial concentration of MB.es_ES
dc.description.sponsorshipThe authors thank Generalitat Valenciana (PROMETEOII/2014/010) for financial support.es_ES
dc.publisherSpringer Science+Business Media Dordrechtes_ES
dc.rights© Springer Science+Business Media Dordrecht 2016. The final publication is available at Springer via
dc.subjectSol–gel preparationes_ES
dc.subjectMethylene bluees_ES
dc.subject.otherQuímica Inorgánicaes_ES
dc.titleStructural and textural features of TiO2/SAPO-34 nanocomposite prepared by the sol–gel methodes_ES
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