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Photocatalytic behavior of PdCl2-modified nanostructured AgI/TiO2 photocatalyst

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Abstract

Nanostructured AgI/TiO2 photocatalyst was synthesized through deposition-precipitation using AgNO3, KI and Ti(OBU)4. Then the photocatalyst was further treated by PdCl2 solution, which resulted in a color change from yellow to green and PdCl2 reacted with AgI as indicated by X-ray diffraction analyses. The diffusive reflectance UV-vis spectroscopy of this modified photocatalyst shows a remarkable enhancement of the absorption intensity in the range of visible light. As nanostructured AgI/TiO2 shows a considerable visible light photocatalytic activity for the photodegradation of methylene blue, PdCl2-modified AgI/TiO2 exhibits a much larger visible light photocatalytic activity for the photodegradation of methylene blue.

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Authors and Affiliations

  1. Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan, 430072, China

    Kefeng He, Kan Zhu & Wanping Chen

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  1. Kefeng He
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  2. Kan Zhu
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  3. Wanping Chen
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Correspondence to Kefeng He.

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He, K., Zhu, K. & Chen, W. Photocatalytic behavior of PdCl2-modified nanostructured AgI/TiO2 photocatalyst. Rare Metals 30 (Suppl 1), 131–134 (2011). https://doi.org/10.1007/s12598-011-0254-0

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  • DOI: https://doi.org/10.1007/s12598-011-0254-0

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