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Photocatalytic Degradation of Procion Blue Dye in Aqueous Solution by a TiO2–Carbon Nano-Composite

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A nano-composite consisting of TiO2–CNT was prepared via the sol–gel technique by using titanium n-butoxide along with carbon nano-tubes (CNTs) followed by calcination at 450 °C. Spectral analysis reveals that the TiO2 formed was present on the carbon in anatase form. The effect of adsorption was investigated in an aqueous solution of procion blue dye in a darkroom and the photochemical reaction in aqueous suspensions of titania composite under UV illumination. The reaction was studied by monitoring the discoloration of dye via employing a UV-Visible spectrophotometeric technique as a function of irradiation time. The composite catalyst was found to be efficient in the photodegradation of the dye.
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Keywords: CNT NANO-COMPOSITE; DYE REMOVAL; PHOTOCATALYST; TITANIA

Document Type: Research Article

Publication date: 2010-01-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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