120032 20240319081004.0 doi 10.1016/j.apsusc.2022.154968 sideral 130858 ART-2022-130858 eng Azpiroz, Ramón (orcid)0000-0001-7904-2729 In-flow photocatalytic oxidation of NO on glasses coated with nanocolumnar porous TiO2 thin films prepared by reactive sputtering 2022 Access copy available to the general public Unrestricted The magnetron sputtering technique has been successfully employed for the preparation of porous TiO2 thin films on soda-lime glasses by means of an oblique angle deposition strategy. The morphology of the thin layers is affected by the deposition parameters, such as, the angle with respect to the target, applied power, total pressure, oxygen pressure and deposition time. It has been shown that 60–65° angles, lead to a compromise between the porosity, the level of oxidation and the thickness of the film. High total pressures of the deposition process result in less dense coatings of greater porosity. Moreover, the oxygen flow during the deposition process must be carefully adjusted for each set of deposition conditions, in order to achieve an optimum degree of oxidation. The evaluation of coated-glasses in the in-flow photocatalytic oxidation of nitrogen oxide has shown that the presence of a porous film is essential to achieve photocatalytic activity. The best performing coated-glass was able to reduce the NO concentration ca. 20% for 5 h. SEM and TEM images of this film show a microstructure composed of nanometric grains and a tilted columnar structure. Nanocrystal electron diffraction, XRD and Raman spectroscopy have confirmed the deposition of TiO2 anatase. info:eu-repo/grantAgreement/ES/DGA-FSE/E42-20R info:eu-repo/grantAgreement/ES/DGA/T20-20R info:eu-repo/grantAgreement/ES/MCIU-FEDER/RTC-2017-6504-5 info:eu-repo/semantics/openAccess by http://creativecommons.org/licenses/by/3.0/es/ 6.7 2022 MATERIALS SCIENCE, COATINGS & FILMS 1 / 20 = 0.05 2022 Q1 T1 PHYSICS, CONDENSED MATTER 15 / 67 = 0.224 2022 Q1 T1 PHYSICS, APPLIED 27 / 160 = 0.169 2022 Q1 T1 CHEMISTRY, PHYSICAL 42 / 161 = 0.261 2022 Q2 T1 1.187 2022 Chemistry (miscellaneous) 2022 Q1 Condensed Matter Physics 2022 Q1 Surfaces, Coatings and Films 2022 Q1 Surfaces and Interfaces 2022 Q1 Physics and Astronomy (miscellaneous) 2022 Q1 12.7 2022 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Carretero, Enrique Universidad de Zaragoza (orcid)0000-0002-9413-0265 Cueva, Ana Universidad de Zaragoza González, Aida (orcid)0000-0001-8736-3856 Iglesias, Manuel (orcid)0000-0003-3144-5320 Pérez-Torrente, Jesús J. Universidad de Zaragoza (orcid)0000-0002-3327-0918 2002 385 Universidad de Zaragoza Dpto. Física Aplicada Área Física Aplicada 2010 760 Universidad de Zaragoza Dpto. Química Inorgánica Área Química Inorgánica 2002 X Universidad de Zaragoza Dpto. Física Aplicada Proy. investigación HAA 606 (2022), 154968 [9 pp.] Appl. surf. sci. Applied Surface Science 0169-4332 4240724 http://zaguan.unizar.es/record/120032/files/texto_completo.pdf Versión publicada 2575209 http://zaguan.unizar.es/record/120032/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:120032 articulos driver 2024-03-18-14:27:16 ARTICLE