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Listar por autor "Rojas Sarmiento, Hugo Alfonso"
Mostrando ítems 1-3 de 3
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Artículo
Differences in the Catalytic Behavior of Au-Metalized TiO2 Systems During Phenol Photo-Degradation and CO Oxidation
Laguna Espitia, Oscar Hernando; Murcia Mesa, Julie Joseane; Rojas Sarmiento, Hugo Alfonso; Jaramillo Páez, César Augusto; Navío Santos, José Antonio; Hidalgo López, María del Carmen (Multidisciplinary Digital Publishing Institute (MDPI), 2019-04-03)For this present work, a series of Au-metallized TiO 2 catalysts were synthesized and characterized in order to compare ...
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Artículo
Powder and Nanotubes Titania Modified by Dye Sensitization as Photocatalysts for the Organic Pollutants Elimination
Murcia Mesa, Julie Joseane; Ávila Martínez, Elsa G.; Rojas Sarmiento, Hugo Alfonso; Cubillos Lobo, Jairo Antonio; Ivanova, Svetlana; Penkova, Anna Dimitrova; Laguna Espitia, Oscar Hernando (Multidisciplinary Digital Publishing Institute (MDPI), 2019-04-02)In this study, titanium dioxide powder obtained by the sol-gel method and TiO2nanotubes, were prepared. In order to increase ...
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Artículo
Study of the visible light activity of Pt and Au-TiO2 photocatalysts in organic pollutants degradation
Cubillos Lobo, Jairo Antonio; Murcia Mesa, Julie Joseane; Guarín Romero, Jhonatan Ricardo; Rojas Sarmiento, Hugo Alfonso; Hidalgo López, María del Carmen; Navío Santos, José Antonio (Universidad de Antioquia, 2017)Pt-TiO and Au-TiO photocatalysts were prepared by noble metal photodeposition on sulfated TiO. It was observed that optical ...