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Composite photocalysts based on the nanostructural titanium dioxide and zirconium phosphate

  • Physical Chemistry of Nanotechnologies
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Abstract

A series of composite photocatalysts based on titanium dioxide deposited on the surface of a zirconium phosphate support were synthesized under different synthesis and heat-treatment conditions. The study of the photodestruction kinetics of Rhodamine C showed that the synthesized composites possess high photocatalytic activity that is competitive with the activity of a commercial Hombikat UV100 photocatalyst. The composites based on zirconium phosphate treated with isopropanol at the precipitation stage whereupon heated at 550°C exhibit the highest photocatalytic activity after heating at 750°C. It was found that such zirconium phosphate support has the largest specific surface area (270 m2/g). After heating at 550°C, the surface becomes more stable to the subsequent heating to 750°C, which is necessary for the most complete crystallization of TiO2 ensuring its high photocatalytic characteristics.

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Authors and Affiliations

  1. Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus, Minsk, Belarus

    E. N. Krut’ko, T. N. Galkova & A. I. Kulak

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  1. E. N. Krut’ko
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  2. T. N. Galkova
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  3. A. I. Kulak
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Correspondence to E. N. Krut’ko.

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Krut’ko, E.N., Galkova, T.N. & Kulak, A.I. Composite photocalysts based on the nanostructural titanium dioxide and zirconium phosphate. Russ. J. Phys. Chem. 82, 2219–2222 (2008). https://doi.org/10.1134/S0036024408130104

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  • DOI: https://doi.org/10.1134/S0036024408130104

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