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http://hdl.handle.net/10261/187221
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dc.contributor.author | Muñoz-Batista, Mario J. | - |
dc.contributor.author | Gómez-Cerezo, María Natividad | - |
dc.contributor.author | Kubacka, Anna | - |
dc.contributor.author | Tudela, David | - |
dc.contributor.author | Fernández, M. | - |
dc.date.accessioned | 2019-07-30T12:47:30Z | - |
dc.date.available | 2019-07-30T12:47:30Z | - |
dc.date.issued | 2014 | - |
dc.identifier.citation | ACS Catalysis 4(1): 63-72 (2014) | - |
dc.identifier.uri | http://hdl.handle.net/10261/187221 | - |
dc.description.abstract | The role of interface contact between two oxides, CeO2 and TiO2, for the photocatalytic elimination of toluene is examined in a series of samples with variable quantities of ceria. Samples having ceria contents in the 1 to 10 mol % range improve significantly, exhibiting up to 3.5 times the activity of the bare nano-TiO2 catalyst. To interpret the photocatalytic behavior, this contribution develops a novel spectro-kinetic approach where a joined analysis of the kinetics of the reaction and the fate of charge charriers is merged with the mathematical modeling of the light–catalyst interaction at the photoreactor. This produces a self-consistent approach that simultaneously validates the kinetic model and interprets the activity on rigorous bases. The study is completed with a multitechnique examination of the solids using X-ray diffraction and electron paramagnetic resonance, UV–vis, and X-ray photoelectron spectroscopies as well as high-resolution transmission electron microscopy. The results provide quantitative evidence that the oxide–oxide contact controls the photoactivity through the number of hole-related species available at the surface of the composite materials and that this number is in turn related to the stabilization of reduced Ce species present at the Ce–Ti interface. | - |
dc.description.sponsorship | A.K. and M.J.M.-B. thank MINECO for support through the postdoctoral “Ramon y Cajal ́ ” and predoctoral FPI programs, respectively. M.N.G.-C. also acknowledges financial support by UAM. Financial support by MINECO (Project CTQ2010- 14872/BQU) is also acknowledged. D | - |
dc.publisher | American Chemical Society | - |
dc.rights | closedAccess | - |
dc.subject | Ceria | - |
dc.subject | Pollutant | - |
dc.subject | Degradation | - |
dc.subject | Spectro-kinetic study | - |
dc.subject | Anatase | - |
dc.title | Role of interface contact in CeO2-TiO2 photocatalytic composite materials | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1021/cs400878b | - |
dc.relation.publisherversion | https://doi.org/10.1021/cs400878b | - |
dc.identifier.e-issn | 2155-5435 | - |
dc.date.updated | 2019-07-30T12:47:31Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | Universidad Autónoma de Madrid | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100004593 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.grantfulltext | none | - |
item.fulltext | No Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.openairetype | artículo | - |
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