dc.contributor.author | Mosquera-Pretelt J | |
dc.contributor.author | Mejía M.I | |
dc.contributor.author | Marín J.M. | |
dc.date.accessioned | 2023-10-24T19:25:15Z | |
dc.date.available | 2023-10-24T19:25:15Z | |
dc.date.created | 2022 | |
dc.identifier.issn | 13880764 | |
dc.identifier.uri | http://hdl.handle.net/11407/8058 | |
dc.description.abstract | Au/S-TiO2 and Cu/S-TiO2 materials were prepared by integrating the sol–gel/solvothermal and photodeposition methods, which constituted a straightforward and environmentally friendly synthesis route with a low time requirement and without heat treatments at high temperatures. The sol–gel/solvothermal method was used to synthesize the base material (S-TiO2) from TiOSO4 as the only S and Ti precursor, developed in a previous study. The photodeposition method was used to incorporate Au and Cu metals from chloroauric acid and copper nitrate onto S-TiO2. The materials were prepared by varying the metal load and the photodeposition time. The photocatalysts were characterized by X-ray diffraction, Raman spectroscopy, ultraviolet–visible diffuse reflectance spectroscopy, X-ray photoelectron spectroscopy, scanning electron microscopy, energy-dispersive X-ray spectroscopy, transmission electron microscopy, and X-ray fluorescence. Formic acid was used to evaluate the photoactivity of the photodeposited materials. The results showed that the materials achieved a higher photoactivity than S-TiO2 under ultraviolet light and most of the materials, especially Cu/S-TiO2, achieved slightly higher activity under visible light. The material photodeposited with 0.5% wt of copper for 90 min had the highest photoactivity under visible light. Graphical abstract: [Figure not available: see fulltext.]. © 2022, The Author(s), under exclusive licence to Springer Nature B.V. | eng |
dc.language.iso | eng | |
dc.publisher | Springer Science and Business Media B.V. | |
dc.relation.isversionof | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85144235833&doi=10.1007%2fs11051-022-05647-5&partnerID=40&md5=66e37dd5651d0d307498abb434b85e72 | |
dc.source | J. Nanopart. Res. | |
dc.source | Journal of Nanoparticle Research | eng |
dc.subject | Au/S-TiO2 | eng |
dc.subject | Cu/S-TiO2 | eng |
dc.subject | Formic acid | eng |
dc.subject | Nanoparticles | eng |
dc.subject | Photodeposition | eng |
dc.subject | Titanium dioxide | eng |
dc.title | Integration of the straightforward and environmentally friendly sol–gel/solvothermal and photodeposition methods as a way to prepare highly photoactive Au/S-TiO2 and Cu/S-TiO2 materials | eng |
dc.type | Article | |
dc.rights.accessrights | info:eu-repo/semantics/restrictedAccess | |
dc.publisher.program | Ingeniería Ambiental | spa |
dc.type.spa | Artículo | |
dc.identifier.doi | 10.1007/s11051-022-05647-5 | |
dc.relation.citationvolume | 24 | |
dc.relation.citationissue | 12 | |
dc.publisher.faculty | Facultad de Ingenierías | spa |
dc.affiliation | Mosquera-Pretelt, J., Grupo Procesos Fisicoquímicos Aplicados, Departamento de Ingeniería Química, Facultad de Ingeniería, Sede de Investigación Universitaria, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia | |
dc.affiliation | Mejía, M.I., Grupo de Investigaciones Y Mediciones Ambientales, Facultad de Ingeniería, Universidad de Medellín, Carrera 87 No. 30-65, Medellín, Colombia | |
dc.affiliation | Marín, J.M., Grupo Procesos Fisicoquímicos Aplicados, Departamento de Ingeniería Química, Facultad de Ingeniería, Sede de Investigación Universitaria, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia | |
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dc.type.version | info:eu-repo/semantics/publishedVersion | |
dc.identifier.reponame | reponame:Repositorio Institucional Universidad de Medellín | |
dc.identifier.repourl | repourl:https://repository.udem.edu.co/ | |
dc.identifier.instname | instname:Universidad de Medellín | |