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  • Chem Sci Trans., 2016, 5(2),  pp 514-522  

    DOI:10.7598/cst2016.1194

    Research Article

    Environmental Application of Photochemical Method for the Degradation of Rhodamine B Dye in Aqueous Media Using Modified Titania

  • P. BUELA NESA KUMARI* and G. ALLEN GNANA RAJ
  • Department of Chemistry and Research Centre, Scott Christian College, (Autonomous) Nagercoil, Tamilnadu, India
  • Abstract

    The development of semiconductor photocatalysis for a wide range of environmental and energy applications. One of the most significant and commercial advances has been the development of visible light active TiO2 photocatalytic materials. In the present study, a visible light active TiO2 photocatalyst was prepared through Nitrogen doping by using Ammonia as Nitrogen source. Preparation was performed by a sol-gel method at various temperatures such as 400 oC, 600 oC and 800 oC. The resulting photocatalyst was characterized by XRD, SEM, EDAX. The decrease in concentration of rhodamine B was monitored by UV-Visible spectroscopy. The characterizations found that the photocatalyst possessed a high surface area and a crystalline size is about-19 nm, 28 nm and 52 nm respectively. On the degradation of rhodamine B in water under visible light irradiation [λ= 554 nm]. The photocatalytic activity increased with decrease in concentration of catalyst and increase in light intensity.

    Keywords

    Photocatalyst, Titanium dioxide, Nitrogen doping, Rhodamine B, Visible light

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