Photocatalysts pt/S-TiO2 obtained by photodeposition of pt on S-TiO2 synthesized from TiOSO4 through the integrated method sol-Gel/Solvothermal at low temperatures [Fotocatalizadores pt/S-TiO2 obtenidos por fotodeposición de pt sobre S-TiO2 sintetizado a partir de TiOSO4 a través del método integrado sol-Gel/Solvotermal a bajas temperaturas]

Photoactive materials Pt/S-TiO2 were obtained by photodeposition of Pt on S-TiO2 photocatalyst synthesized from titanium oxysulfate (TiOSO4) using the integrated method sol-gel/solvothermal at low temperatures (250°C). The photodeposition was performed changing platinum concentration by 0.2% and 0.5...

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Fecha de publicación:
2018
Institución:
Universidad de Medellín
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Repositorio UDEM
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spa
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oai:repository.udem.edu.co:11407/4887
Acceso en línea:
http://hdl.handle.net/11407/4887
Palabra clave:
Photocatalysts
Photodeposition
Pt/S-TiO2
Sol-gel/solvothermal
TiOSO4
Azo dyes
Integrated control
Mesoporous materials
Photocatalysts
Sol-gel process
Sol-gels
Titanium dioxide
Degradation of methyl oranges
Photo-deposition
Photoactive materials
Platinum concentration
TiO2 photocatalyst
TiOSO4
Titanium oxysulfate
Visible radiations
Platinum
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http://purl.org/coar/access_right/c_16ec
id REPOUDEM2_16b4db99eebd64fd14d934894842cf56
oai_identifier_str oai:repository.udem.edu.co:11407/4887
network_acronym_str REPOUDEM2
network_name_str Repositorio UDEM
repository_id_str
dc.title.spa.fl_str_mv Photocatalysts pt/S-TiO2 obtained by photodeposition of pt on S-TiO2 synthesized from TiOSO4 through the integrated method sol-Gel/Solvothermal at low temperatures [Fotocatalizadores pt/S-TiO2 obtenidos por fotodeposición de pt sobre S-TiO2 sintetizado a partir de TiOSO4 a través del método integrado sol-Gel/Solvotermal a bajas temperaturas]
title Photocatalysts pt/S-TiO2 obtained by photodeposition of pt on S-TiO2 synthesized from TiOSO4 through the integrated method sol-Gel/Solvothermal at low temperatures [Fotocatalizadores pt/S-TiO2 obtenidos por fotodeposición de pt sobre S-TiO2 sintetizado a partir de TiOSO4 a través del método integrado sol-Gel/Solvotermal a bajas temperaturas]
spellingShingle Photocatalysts pt/S-TiO2 obtained by photodeposition of pt on S-TiO2 synthesized from TiOSO4 through the integrated method sol-Gel/Solvothermal at low temperatures [Fotocatalizadores pt/S-TiO2 obtenidos por fotodeposición de pt sobre S-TiO2 sintetizado a partir de TiOSO4 a través del método integrado sol-Gel/Solvotermal a bajas temperaturas]
Photocatalysts
Photodeposition
Pt/S-TiO2
Sol-gel/solvothermal
TiOSO4
Azo dyes
Integrated control
Mesoporous materials
Photocatalysts
Sol-gel process
Sol-gels
Titanium dioxide
Degradation of methyl oranges
Photo-deposition
Photoactive materials
Platinum concentration
TiO2 photocatalyst
TiOSO4
Titanium oxysulfate
Visible radiations
Platinum
title_short Photocatalysts pt/S-TiO2 obtained by photodeposition of pt on S-TiO2 synthesized from TiOSO4 through the integrated method sol-Gel/Solvothermal at low temperatures [Fotocatalizadores pt/S-TiO2 obtenidos por fotodeposición de pt sobre S-TiO2 sintetizado a partir de TiOSO4 a través del método integrado sol-Gel/Solvotermal a bajas temperaturas]
title_full Photocatalysts pt/S-TiO2 obtained by photodeposition of pt on S-TiO2 synthesized from TiOSO4 through the integrated method sol-Gel/Solvothermal at low temperatures [Fotocatalizadores pt/S-TiO2 obtenidos por fotodeposición de pt sobre S-TiO2 sintetizado a partir de TiOSO4 a través del método integrado sol-Gel/Solvotermal a bajas temperaturas]
title_fullStr Photocatalysts pt/S-TiO2 obtained by photodeposition of pt on S-TiO2 synthesized from TiOSO4 through the integrated method sol-Gel/Solvothermal at low temperatures [Fotocatalizadores pt/S-TiO2 obtenidos por fotodeposición de pt sobre S-TiO2 sintetizado a partir de TiOSO4 a través del método integrado sol-Gel/Solvotermal a bajas temperaturas]
title_full_unstemmed Photocatalysts pt/S-TiO2 obtained by photodeposition of pt on S-TiO2 synthesized from TiOSO4 through the integrated method sol-Gel/Solvothermal at low temperatures [Fotocatalizadores pt/S-TiO2 obtenidos por fotodeposición de pt sobre S-TiO2 sintetizado a partir de TiOSO4 a través del método integrado sol-Gel/Solvotermal a bajas temperaturas]
title_sort Photocatalysts pt/S-TiO2 obtained by photodeposition of pt on S-TiO2 synthesized from TiOSO4 through the integrated method sol-Gel/Solvothermal at low temperatures [Fotocatalizadores pt/S-TiO2 obtenidos por fotodeposición de pt sobre S-TiO2 sintetizado a partir de TiOSO4 a través del método integrado sol-Gel/Solvotermal a bajas temperaturas]
dc.contributor.affiliation.spa.fl_str_mv Malo, J.E., Universidad de Antioquia;Mejía, M.I., Universidad de Antioquia; Universidad de Medellín;Marín, J.M., Universidad de Antioquia
dc.subject.spa.fl_str_mv Photocatalysts
Photodeposition
Pt/S-TiO2
Sol-gel/solvothermal
TiOSO4
Azo dyes
Integrated control
Mesoporous materials
Photocatalysts
Sol-gel process
Sol-gels
Titanium dioxide
Degradation of methyl oranges
Photo-deposition
Photoactive materials
Platinum concentration
TiO2 photocatalyst
TiOSO4
Titanium oxysulfate
Visible radiations
Platinum
topic Photocatalysts
Photodeposition
Pt/S-TiO2
Sol-gel/solvothermal
TiOSO4
Azo dyes
Integrated control
Mesoporous materials
Photocatalysts
Sol-gel process
Sol-gels
Titanium dioxide
Degradation of methyl oranges
Photo-deposition
Photoactive materials
Platinum concentration
TiO2 photocatalyst
TiOSO4
Titanium oxysulfate
Visible radiations
Platinum
description Photoactive materials Pt/S-TiO2 were obtained by photodeposition of Pt on S-TiO2 photocatalyst synthesized from titanium oxysulfate (TiOSO4) using the integrated method sol-gel/solvothermal at low temperatures (250°C). The photodeposition was performed changing platinum concentration by 0.2% and 0.5% w/w and using two residence times of 60 min and 120 min. The properties of materials were determined by analysis of DRX, Raman, XRF, FTIR-ATR, XPS, UV-vis/DRS, SEM, EDX, TEM, surface area and porosity. The obtained materials were mesoporous and crystallized as anatase phase, incorporating 0.31% of S (by weight) and 85% of the nominal Pt value, showing absorption and photoactivity in both ultraviolet and visible radiation. The material prepared with higher Pt content and longer photodeposition time, 0.5/120 Pt/S-TiO2, reached the highest UV and visible photoactivities in the degradation of methyl orange in the liquid phase. © 2018 Centro de Informacion Tecnologica. All rights reserved.
publishDate 2018
dc.date.accessioned.none.fl_str_mv 2018-10-31T13:44:21Z
dc.date.available.none.fl_str_mv 2018-10-31T13:44:21Z
dc.date.created.none.fl_str_mv 2018
dc.type.eng.fl_str_mv Article
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dc.identifier.issn.none.fl_str_mv 7168756
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dc.relation.citationvolume.spa.fl_str_mv 29
dc.relation.citationissue.spa.fl_str_mv 4
dc.relation.citationstartpage.spa.fl_str_mv 97
dc.relation.citationendpage.spa.fl_str_mv 110
dc.relation.ispartofes.spa.fl_str_mv Informacion Tecnologica
dc.relation.references.spa.fl_str_mv Abdennouri, M., Elhalil, A., Photocatalytic degradation of 2,4-D and 2,4-DP herbicides on pt/TiO2 nanoparticles (2015) Journal of Saudi Chemical Society, 19, pp. 485-493. , otros doce autores;Balaganapathi, T., Kaniamuthan, B., Vinoth, S., Arun, T., Thilakan, P., Controlled synthesis of brookite and combined brookite with rutile phases of titanium di-oxide and its characterization studies (2017) Ceram. Int., 43, pp. 2438-2440;Bohórquez, A.J., Quiroz, H.P., Dussan, A., Propiedades estructurales y Ópticas de nanoestructuras de TiO2 depositadas por el método de deposición en baño químico para aplicaciones en sensores UV (2016) Inf. Tecnol., 27 (6), pp. 185-192;Choi, H.Ch., Jung, Y.M., Kim, S.B., Size effects in the raman spectra of TiO2 nanoparticles (2005) Vib. Spectrosc., 37, pp. 33-38;Colón, G., Hidalgo, M.C., Munuera, G., Ferino, I., Cutrufello, M.G., Navío, J.A., Structural and surface approach to the enhanced photocatalytic activity of sulfated TiO2 photocatalyst (2006) Appl. Catal., B., 63, pp. 45-59;Galeano, L., Navío, J.A., Restrepo, G.M., Marín, J.M., Preparación de sistemas Óxido de titanio/Óxido de silicio (TiO2/SiO2) mediante el método solvotérmico para aplicaciones en fotocatálisis (2013) Inf. Tecnol., 24 (5), pp. 81-92;Guayaquil-Sosa, J.F., Serrano-Rosales, B., Valadés-Pelayo, P.J., De Lasa, H., Photocatalytic hydrogen production using mesoporous TiO2 doped with pt (2017) Appl. Catal., B, 211, pp. 337-348;Han, C., Pelaez, M., Likodimos, V., Kontos, A., Falaras, P., O'Shea, K., Dionysiou, D.D., Innovative visible light-activated sulfur doped TiO2 films for water treatment (2011) Appl. Catal., B., 107, pp. 77-87;Hidalgo, M.C., Aguilar, M., Maicu, M., Navío, J.A., Colón, G., Hydrothermal preparation of highly photoactive TiO2 nanoparticles (2007) Catal. Today, 129, pp. 50-58;Hu, Y., Song, X., Jiang, Sh., Wei, Ch., Enhanced photocatalytic activity of Pt-doped TiO2 for NOx oxidation both under UV and visible light irradiation: A synergistic effect of lattice pt4+ and surface PtO (2015) Chem. Eng. J., 274, pp. 102-112;Jaiswal, R., Bharambe, J., Patel, N., Dashora, A., Kothari, D.C., Miotello, A., Copper and nitrogen co-doped TiO2 photocatalyst with enhanced optical absorption and catalytic activity (2015) Appl. Catal., B., 168-169, pp. 333-341;Jaramillo, P.A., Taborda, G., (2006) La Fotocatálisis: Aspectos Fundamentales para Una Buena Remoción De Contaminantes, pp. 71-88. , Revista Universidad de Caldas, Ene-Dic;López-Zamora, S.M., Gil Pavas, E., Gómez-García, M.A., Dobrosz-Gómez, I., Foto-Degradación de fenol sobre catalizadores de TiO2 y mo/TiO2. La metodología de superficie de respuesta como herramienta de optimización (2014) Inf. Tecnol., 25 (5), pp. 3-12;Mosquera-Pretelt, J., Mejía, M.I., Marín, J.M., Synthesis and characterization of photoactive S-TiO2 from TiOSO4 precursor using an integrated sol-gel and solvothermal method at low temperatures (2018) J. of Adv. Oxid. Technol., 21 (1);Murcia, J.J., Navío, J.A., Hidalgo, M.C., Insights towards the influence of pt features on the photocatalytic activity improvement of TiO2 by platinisation (2012) Appl. Catal., B, 126, pp. 76-85;Murcia, J.J., Hidalgo, M.C., Navío, J.A., Araña, J., Doña-Rodríguez, J.M., In situ FT-IR study of the adsorption and photocatalytic oxidation of ethanol over sulfated and metallized TiO2 (2013) Appl. Catal., B, 142-143, pp. 205-213;Nakata, K., Fujishima, A., TiO2 photocatalysis: Design and applications (2012) J. Photochem. Photobiol., C, 13, pp. 169-189;Ngamta, S., Boonprakob, N., Wetchakun, N., Ounnunkad, K., Phanichphant, S., Inceesungvorn, B., A facile synthesis of nanocrystalline anatase TiO2 fromTiOSO4 aqueous solution (2013) Mater. Lett., 105, pp. 76-79;Nishikiori, H., Hayashibe, M., Fujii, T., Visible light-photocatalytic activity of sulfate-doped titanium dioxide prepared by the sol?Gel method (2013) Catalysts, 3, pp. 363-377;Raj, K.A.J., Shanmugam, R., Mahalakshmi, R., Viswanathan, B., Photocatalytic oxidation of diethyl sulfide vapor over TiO2-based composite photocatalysts (2010) Indian J. Chem., 49 A, pp. 9-17;Singhal, N., Kumar, U., Noble metal modified TiO2: Selective photoreduction of CO2 to hydrocarbons (2017) Molecular Catalysis, 439, pp. 91-99;Thamaphat, K., Limsuwan, P., Ngotawornchai, B., Phase characterization of TiO2 powder by XRD and TEM (2008) Kasetsart J. (Nat. Sci.), 42, pp. 357-361;Thommes, M., Kaneko, K., Physisorption of gases, with special reference to the evaluation of surface area and pore size distribution (IUPAC technical report) (2015) Pure Appl. Chem., 87 (9-10), pp. 1051-1069. , otros cinco autores;Tian, C., Zhang, Z., Hou, J., Luo, N., Surfactant/co-polymer template hydrothermal synthesis of thermally stable, mesoporous TiO2 from TiOSO4 (2008) Mate. Lett., 62, pp. 77-80;Vaiano, V., Iervolino, G., Photocatalytic removal of patent blue v dye on Au-TiO2 and Pt-TiO2 catalysts (2016) Appl. Catal., B, 188, pp. 134-146. , otros seis autores;Vargas, X., Tauchert, E., Marin, J.M., Restrepo, G., Dillert, R., Bahnemann, D., Fe-doped titanium dioxide synthesized: Photocatalytic activity and mineralization study for azo dye (2012) J. Photochem. Photobiol., A, 243, pp. 17-22;Xing, Z., Li, Z., Wu, X., Wang, G., Zhou, W., In-situ S-doped porous anatase TiO2 nanopillars for high-efficient visible-light photocatalytic hydrogen evolution (2016) Int. J. Hydrogen Energy, 41, pp. 1535-1541;Yang, G., Ding, H., Chen, D., Ao, W., Wang, J., Hou, X., A simple route to synthesize mesoporous titania from TiOSO4: Influence of the synthesis conditions on the structural, pigments and photocatalytic properties (2016) Appl. Surf. Sci., 376, pp. 227-235;Zhang, Y.X., Gao, B., Li Puma, G., Ray, A.K., Zeng, H.Ch., Self-assembled au/TiO2/CNTs ternary nanocomposites for photocatalytic applications (2010) Science of Advanced Materials, 2, pp. 503-513;Zunic, V., Vukomanovic, M., Skapin, S., Suvorov, D., Kovac, J., Photocatalytic properties of TiO2 and TiO2/Pt: A sol-precipitation, sonochemical and hydrothermal approach (2014) Ultrason. Sonochem., 21, pp. 367-375
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dc.publisher.spa.fl_str_mv Centro de Informacion Tecnologica
dc.publisher.program.spa.fl_str_mv Ingeniería Ambiental
dc.publisher.faculty.spa.fl_str_mv Facultad de Ingenierías
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spelling 2018-10-31T13:44:21Z2018-10-31T13:44:21Z20187168756http://hdl.handle.net/11407/4887Photoactive materials Pt/S-TiO2 were obtained by photodeposition of Pt on S-TiO2 photocatalyst synthesized from titanium oxysulfate (TiOSO4) using the integrated method sol-gel/solvothermal at low temperatures (250°C). The photodeposition was performed changing platinum concentration by 0.2% and 0.5% w/w and using two residence times of 60 min and 120 min. The properties of materials were determined by analysis of DRX, Raman, XRF, FTIR-ATR, XPS, UV-vis/DRS, SEM, EDX, TEM, surface area and porosity. The obtained materials were mesoporous and crystallized as anatase phase, incorporating 0.31% of S (by weight) and 85% of the nominal Pt value, showing absorption and photoactivity in both ultraviolet and visible radiation. The material prepared with higher Pt content and longer photodeposition time, 0.5/120 Pt/S-TiO2, reached the highest UV and visible photoactivities in the degradation of methyl orange in the liquid phase. © 2018 Centro de Informacion Tecnologica. All rights reserved.spaCentro de Informacion TecnologicaIngeniería AmbientalFacultad de Ingenieríashttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85051320236&partnerID=40&md5=c5cead37b675f9be5e7b1a488cf9c64529497110Informacion TecnologicaAbdennouri, M., Elhalil, A., Photocatalytic degradation of 2,4-D and 2,4-DP herbicides on pt/TiO2 nanoparticles (2015) Journal of Saudi Chemical Society, 19, pp. 485-493. , otros doce autores;Balaganapathi, T., Kaniamuthan, B., Vinoth, S., Arun, T., Thilakan, P., Controlled synthesis of brookite and combined brookite with rutile phases of titanium di-oxide and its characterization studies (2017) Ceram. Int., 43, pp. 2438-2440;Bohórquez, A.J., Quiroz, H.P., Dussan, A., Propiedades estructurales y Ópticas de nanoestructuras de TiO2 depositadas por el método de deposición en baño químico para aplicaciones en sensores UV (2016) Inf. Tecnol., 27 (6), pp. 185-192;Choi, H.Ch., Jung, Y.M., Kim, S.B., Size effects in the raman spectra of TiO2 nanoparticles (2005) Vib. Spectrosc., 37, pp. 33-38;Colón, G., Hidalgo, M.C., Munuera, G., Ferino, I., Cutrufello, M.G., Navío, J.A., Structural and surface approach to the enhanced photocatalytic activity of sulfated TiO2 photocatalyst (2006) Appl. Catal., B., 63, pp. 45-59;Galeano, L., Navío, J.A., Restrepo, G.M., Marín, J.M., Preparación de sistemas Óxido de titanio/Óxido de silicio (TiO2/SiO2) mediante el método solvotérmico para aplicaciones en fotocatálisis (2013) Inf. Tecnol., 24 (5), pp. 81-92;Guayaquil-Sosa, J.F., Serrano-Rosales, B., Valadés-Pelayo, P.J., De Lasa, H., Photocatalytic hydrogen production using mesoporous TiO2 doped with pt (2017) Appl. Catal., B, 211, pp. 337-348;Han, C., Pelaez, M., Likodimos, V., Kontos, A., Falaras, P., O'Shea, K., Dionysiou, D.D., Innovative visible light-activated sulfur doped TiO2 films for water treatment (2011) Appl. Catal., B., 107, pp. 77-87;Hidalgo, M.C., Aguilar, M., Maicu, M., Navío, J.A., Colón, G., Hydrothermal preparation of highly photoactive TiO2 nanoparticles (2007) Catal. Today, 129, pp. 50-58;Hu, Y., Song, X., Jiang, Sh., Wei, Ch., Enhanced photocatalytic activity of Pt-doped TiO2 for NOx oxidation both under UV and visible light irradiation: A synergistic effect of lattice pt4+ and surface PtO (2015) Chem. Eng. J., 274, pp. 102-112;Jaiswal, R., Bharambe, J., Patel, N., Dashora, A., Kothari, D.C., Miotello, A., Copper and nitrogen co-doped TiO2 photocatalyst with enhanced optical absorption and catalytic activity (2015) Appl. Catal., B., 168-169, pp. 333-341;Jaramillo, P.A., Taborda, G., (2006) La Fotocatálisis: Aspectos Fundamentales para Una Buena Remoción De Contaminantes, pp. 71-88. , Revista Universidad de Caldas, Ene-Dic;López-Zamora, S.M., Gil Pavas, E., Gómez-García, M.A., Dobrosz-Gómez, I., Foto-Degradación de fenol sobre catalizadores de TiO2 y mo/TiO2. La metodología de superficie de respuesta como herramienta de optimización (2014) Inf. Tecnol., 25 (5), pp. 3-12;Mosquera-Pretelt, J., Mejía, M.I., Marín, J.M., Synthesis and characterization of photoactive S-TiO2 from TiOSO4 precursor using an integrated sol-gel and solvothermal method at low temperatures (2018) J. of Adv. Oxid. Technol., 21 (1);Murcia, J.J., Navío, J.A., Hidalgo, M.C., Insights towards the influence of pt features on the photocatalytic activity improvement of TiO2 by platinisation (2012) Appl. Catal., B, 126, pp. 76-85;Murcia, J.J., Hidalgo, M.C., Navío, J.A., Araña, J., Doña-Rodríguez, J.M., In situ FT-IR study of the adsorption and photocatalytic oxidation of ethanol over sulfated and metallized TiO2 (2013) Appl. Catal., B, 142-143, pp. 205-213;Nakata, K., Fujishima, A., TiO2 photocatalysis: Design and applications (2012) J. Photochem. Photobiol., C, 13, pp. 169-189;Ngamta, S., Boonprakob, N., Wetchakun, N., Ounnunkad, K., Phanichphant, S., Inceesungvorn, B., A facile synthesis of nanocrystalline anatase TiO2 fromTiOSO4 aqueous solution (2013) Mater. Lett., 105, pp. 76-79;Nishikiori, H., Hayashibe, M., Fujii, T., Visible light-photocatalytic activity of sulfate-doped titanium dioxide prepared by the sol?Gel method (2013) Catalysts, 3, pp. 363-377;Raj, K.A.J., Shanmugam, R., Mahalakshmi, R., Viswanathan, B., Photocatalytic oxidation of diethyl sulfide vapor over TiO2-based composite photocatalysts (2010) Indian J. Chem., 49 A, pp. 9-17;Singhal, N., Kumar, U., Noble metal modified TiO2: Selective photoreduction of CO2 to hydrocarbons (2017) Molecular Catalysis, 439, pp. 91-99;Thamaphat, K., Limsuwan, P., Ngotawornchai, B., Phase characterization of TiO2 powder by XRD and TEM (2008) Kasetsart J. (Nat. Sci.), 42, pp. 357-361;Thommes, M., Kaneko, K., Physisorption of gases, with special reference to the evaluation of surface area and pore size distribution (IUPAC technical report) (2015) Pure Appl. Chem., 87 (9-10), pp. 1051-1069. , otros cinco autores;Tian, C., Zhang, Z., Hou, J., Luo, N., Surfactant/co-polymer template hydrothermal synthesis of thermally stable, mesoporous TiO2 from TiOSO4 (2008) Mate. Lett., 62, pp. 77-80;Vaiano, V., Iervolino, G., Photocatalytic removal of patent blue v dye on Au-TiO2 and Pt-TiO2 catalysts (2016) Appl. Catal., B, 188, pp. 134-146. , otros seis autores;Vargas, X., Tauchert, E., Marin, J.M., Restrepo, G., Dillert, R., Bahnemann, D., Fe-doped titanium dioxide synthesized: Photocatalytic activity and mineralization study for azo dye (2012) J. Photochem. Photobiol., A, 243, pp. 17-22;Xing, Z., Li, Z., Wu, X., Wang, G., Zhou, W., In-situ S-doped porous anatase TiO2 nanopillars for high-efficient visible-light photocatalytic hydrogen evolution (2016) Int. J. Hydrogen Energy, 41, pp. 1535-1541;Yang, G., Ding, H., Chen, D., Ao, W., Wang, J., Hou, X., A simple route to synthesize mesoporous titania from TiOSO4: Influence of the synthesis conditions on the structural, pigments and photocatalytic properties (2016) Appl. Surf. Sci., 376, pp. 227-235;Zhang, Y.X., Gao, B., Li Puma, G., Ray, A.K., Zeng, H.Ch., Self-assembled au/TiO2/CNTs ternary nanocomposites for photocatalytic applications (2010) Science of Advanced Materials, 2, pp. 503-513;Zunic, V., Vukomanovic, M., Skapin, S., Suvorov, D., Kovac, J., Photocatalytic properties of TiO2 and TiO2/Pt: A sol-precipitation, sonochemical and hydrothermal approach (2014) Ultrason. Sonochem., 21, pp. 367-375ScopusPhotocatalystsPhotodepositionPt/S-TiO2Sol-gel/solvothermalTiOSO4Azo dyesIntegrated controlMesoporous materialsPhotocatalystsSol-gel processSol-gelsTitanium dioxideDegradation of methyl orangesPhoto-depositionPhotoactive materialsPlatinum concentrationTiO2 photocatalystTiOSO4Titanium oxysulfateVisible radiationsPlatinumPhotocatalysts pt/S-TiO2 obtained by photodeposition of pt on S-TiO2 synthesized from TiOSO4 through the integrated method sol-Gel/Solvothermal at low temperatures [Fotocatalizadores pt/S-TiO2 obtenidos por fotodeposición de pt sobre S-TiO2 sintetizado a partir de TiOSO4 a través del método integrado sol-Gel/Solvotermal a bajas temperaturas]Articleinfo:eu-repo/semantics/articlehttp://purl.org/coar/version/c_970fb48d4fbd8a85http://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1Malo, J.E., Universidad de Antioquia;Mejía, M.I., Universidad de Antioquia; Universidad de Medellín;Marín, J.M., Universidad de AntioquiaMalo J.E.Mejía M.I.Marín J.M.http://purl.org/coar/access_right/c_16ecTHUMBNAILportada.JPGportada.JPGimage/jpeg16193http://repository.udem.edu.co/bitstream/11407/4887/1/portada.JPGd6489c3a169dcc92dfc7cc0a562faf2aMD5111407/4887oai:repository.udem.edu.co:11407/48872020-05-27 18:26:15.334Repositorio Institucional Universidad de Medellinrepositorio@udem.edu.co