Journal
HELIYON
Volume 4, Issue 7, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.heliyon.2018.e00681
Keywords
Materials science
Categories
Funding
- African Materials Science and Engineering Network (AMSEN)
- Regional Initiative on Science and Education (RISE)
- University of Ghana BANGA-Africa programme
- University of Ghana Biotechnology Centre
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Nanostructured mesoporous titanium dioxide (TiO2) particles with high specific surface area and average crystallite domain sizes within 2 nm and 30 nm have been prepared via the sol-gel and hydrothermal procedures. The characteristics of produced nanoparticles have been tested using X-Ray Diffraction (XRD), Brunauere-Emmette-Teller (BET) surface area analysis, Scanning Electron Microscopy (SEM), Fourier Transform Infra-Red (FTIR), and Raman Spectroscopy as a function of temperature for their microstructural, porosity, morphological, structural and absorption properties. The as-synthesized TiO2 nanostructures were attempted as catalysts in Rhodamine B and Sudan III dyes' photocatalytic decomposition in a batch reactor with the assistance of Ultra Violet (UV) light. The results show that for catalysts calcined at 300 degrees C, similar to 100 % decomposition of Sudan III dye was observed when Hydrothermal based catalyst was used whiles similar to 94 % decomposition of Rhodamine B dye was observed using the solgel based catalysts. These synthesized TiO2 nanoparticles have promising potential applications in the light aided decomposition of a wide range of dye pollutants.
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