Preparation and Characterization of TiO2-Based Nano Particles and Tests for Their Activities in Meth¬ylene Blue Photodegradation

Aoshu Duan
A two-step hydrothermal method was applied to synthesis Vanadium Sulfide (IV) coupled with commercial P25 on TiO2 nanoparticle (VS4-on-P25). Materials were characterized by scanning electron microscope (SEM), high-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD), ultraviolet–visible spectroscopy (UV-Vis), diffuse reflectance UV-Vis spectroscopy and Raman spectroscopy. Photocatalytic activity of this new material was determined by photo-degradation of Methylene blue (MB) under UV irradiation. Experiments show that the VS4-on-P25 exhibits a higher photocatalytic activity than commercial P25...
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