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  • Chem Sci Trans., 2018, 7(4),  pp 687-695  

    DOI:10.7598/cst2018.1531

    Research Article

    Synthesis, Characterization and Photocatalytic Activity of Cobalt Doped TiO2 Nanophotocatalysts for Rose Bengal Dye Degradation under Day Light Illumination

  • B. MALINI1 and G.ALLEN GNANA RAJ2
  • 1Department of Chemistry, Government College of Engineering, Tirunelveli, Tamilnadu, India
    2Department of Chemistry, Scott Christian College (Autonomous), Nagercoil, (Affiliated to Manonmaniam Sundaranar University, Abishekapatti, Tirunelveli), Tamilnadu, India
  • Abstract

    Cobalt doped TiO2 nano photocatalysts were synthesized by sol-gel technique and is characterized by SEM, EDX and XRD. The Co-TiO2 catalyst is evaluated for its photocatalytic activity towards the degradation of Rose bengal under visible light radiations. Then the results were compared with the synthesized nano-TiO2. The effect of catalyst loading, initial dye concentration, pH, dissolved O2 on the photocatalytic activity is studied and the degradation kinetics is also studied. The photodegradation rates of Rose bengal reached 97.50% under visible light irradiation for 150 min.

    Keywords

    Photodegradation, Rose bengal dye, Cobalt doped TiO2

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