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Title: Photocatalytic activity of erbium-doped TiO 2 nanoparticles immobilized in macro-porous silica films
Author: Castaneda-Contreras, J.
Maranon-Ruiz, V.F.
Chiu-Zarate, R.
Perez-Ladron De Guevara, H.
Rodriguez, R.
Michel-Uribe, C.
Issue Date: 2012
Abstract: A macro-porous silica film served as mechanical support to immobilize TiO 2 nanoparticles, which were doped with erbium. The films and the nanoparticles were prepared by sol-gel route. The nanoparticles exhibited photocatalytic activity under visible light. We obtained a degradation rate of methylene blue that followed first order kinetics. The sensitization of the nanoparticles to visible light was attributed to a red shift in the band-gap of the TiO 2 due to the addition of erbium ions. © 2011 Elsevier Ltd. All rights reserved.
Appears in Collections:Producción científica UdeG (prueba)

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