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http://hdl.handle.net/10261/173473
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dc.contributor.author | Krivtsov, I. V. | - |
dc.contributor.author | Ilkaeva, Marina | - |
dc.contributor.author | Salas, Eduardo | - |
dc.contributor.author | Amghouz, Zakariae | - |
dc.contributor.author | García, José R. | - |
dc.contributor.author | Díaz, Eva | - |
dc.contributor.author | Ordóñez, Salvador | - |
dc.contributor.author | Villar Rodil, Silvia | - |
dc.date.accessioned | 2018-12-20T12:39:20Z | - |
dc.date.available | 2018-12-20T12:39:20Z | - |
dc.date.issued | 2017 | - |
dc.identifier | doi: 10.1021/acs.jpcc.7b00354 | - |
dc.identifier | e-issn: 1932-7455 | - |
dc.identifier | issn: 1932-7447 | - |
dc.identifier.citation | Journal of Physical Chemistry C 121(12): 6770-6780 (2017) | - |
dc.identifier.uri | http://hdl.handle.net/10261/173473 | - |
dc.description.abstract | Extended X-ray absorption fine structure (EXAFS) investigation of the oxygen-rich titania formed via the thermal treatment of N-doped TiO has revealed that the removal of N-dopants is responsible for the creation of defect sites in the titanium environment, thus triggering at high temperatures (500-800 °C) the capture of atmospheric oxygen followed by its diffusion toward the vacant sites and formation of interstitial oxygen species. The effect of the dopants on Ti coordination number and Ti-O and Ti-N bond distances has been estimated. The photocatalytic p-cresol degradation tests have demonstrated that the interband states formed by the N-dopants contribute to a greater extent to the visible-light activity than the oxygen interstitials do. However, under the UV irradiation the oxygen-rich titania shows higher efficiency in the pollutant degradation, while the N-dopants in N-TiO play the role of recombination sites. The presence of the surface nitrogen species in TiO is highly beneficial for the application in partial photooxidation reactions, where N-TiO demonstrates a superior selectivity of 5-hydroxymethyl furfural (HMF) oxidation to 2,5-furandicarboxaldehyde (FDC). Thus, this work underlines the importance of a rational design of nonmetal doped titania for photocatalytic degradation and partial oxidation applications, and it establishes the role of bulk defects and surface dopants on the TiO photooxidation performance. | - |
dc.description.sponsorship | This work was financially supported by Spanish MINECO (MAT2013-40950-R, MAT2016-78155-C2-1-R, and CTQ2014-52956-C3-1-R), Gobierno del Principado de Asturias (GRUPIN14-060 and GRUPIN14-078), FEDER and South Ural State University thanks for the support the Ministry of Education and Science of the Russian Federation (grant No 16.2674.2014/K). | - |
dc.description.sponsorship | MINECO/ICTI2013-2016/MAT2016-78155-C2-1-R | - |
dc.publisher | American Chemical Society | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/MAT2013-40950-R | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTQ2014-52956-C3-1-R | - |
dc.rights | closedAccess | - |
dc.title | Consequences of nitrogen doping and oxygen enrichment on titanium local order and photocatalytic performance of TiO2 anatase | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1021/acs.jpcc.7b00354 | - |
dc.date.updated | 2018-12-20T12:39:20Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | Ministry of Education and Science of the Russian Federation | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Principado de Asturias | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | South Ural State University | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003443 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/100011941 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.grantfulltext | none | - |
item.openairetype | artículo | - |
item.fulltext | No Fulltext | - |
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