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Electrospun TiO2 Microspheres with Enhanced Activity for Photocatalytic Degradation of Methylene Blue
Corresponding Author(s) : Hong Zhang
Asian Journal of Chemistry,
Vol. 25 No. 12 (2013): Vol 25 Issue 12
Abstract
TiO2 microspheres were synthesized by electrospinning technique. The morphology, structure and photocatalytic performance in the degradation of methylene blue under UV light irradiation were characterized by scanning electron microscopy, X-ray diffraction spectroscopy and UV-visible absorption spectrophotometer. The results show that TiO2 microspheres have a high anatase phase content and their surface is assembled by large quantities of TiO2 nanoparticles, resulting in a porous structure. These TiO2 microspheres exhibit an excellent photocatalytic performance with a maximum degradation rate of 95.6 %, much higher than that for TiO2 rods (77.9 %) synthesized by electrospinning technique.
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