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Preparation and Characterization of TiO2@SiO2-Ag Nanospheres Photocatalyst, and Investigation of Its Photocatalytic Activity on Methylene Blue

Journal Name:

  • Journal of The Turkish Chemical Society, Section B: Chemical Engineering

Publication Year:

  • 2017

Key Words:

Author NameUniversity of Author
Abstract (2. Language): 
Titanium dioxide shows a tremendous potential for the decomposition of organic pollutants under UV and visible light irradiation. In this study TiO2 nanospheres @ mesoporous silica nanospheres (TiO2@SiO2) photocatalyst was synthesized by the sol-gel method. The synthesized TiO2/SiO2 photocatalyst was decorated by Ag nanoparticle. The decorated TiO2@SiO2-Ag photocatalyst by a hydrothermal method was characterized by scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDS) and X-ray diffraction (XRD). The SEM results show that TiO2@SiO2-Ag nanospheres photocatalyst was uniformly formed. The EDS analysis proves that the nanospheres photocatalyst consists of Ti, Si, O and Ag. The TiO2@SiO2-Ag nanospheres photocatalyst exhibited better photocatalytic performance for degradation of methylene blue under direct UV illumination.
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