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Influence of Metal (Au, Ag) Micro-Grid on the Photocatalytic Activity of TiO2 Film

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Abstract

In this paper, we prepared TiO2 thin film with the surface modified by a connected Au micro-grid via a microsphere lithography strategy, and the modified films show higher photocatalytic activity than the pure TiO2 film. The photocatalytic activity improved as Au loading increased, obtaining the best performance at a certain loading amount, and then decreased at higher loading amount. This behavior, not observed in TiO2 films modified with Ag micro-grid, can be attributed to the relationship between the energetic positions and the metal clusters size.

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Acknowledgements

This work was finically supported by National Natural Science Foundation of China under grant No.50672003, Program for New Century Excellent Talents in university under grant No.NCET-06-0179 and Beihang Nova Program.

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Authors and Affiliations

  1. Center of Materials Physics and Chemistry, School of Science, Beihang University, Beijing, 100083, P.R. China

    Chao Cai, Junying Zhang, Feng Pan, Weiwei Zhang, Hailing Zhu & Tianmin Wang

Authors
  1. Chao Cai
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  2. Junying Zhang
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  3. Feng Pan
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  4. Weiwei Zhang
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  5. Hailing Zhu
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  6. Tianmin Wang
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Correspondence to Junying Zhang.

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Cai, C., Zhang, J., Pan, F. et al. Influence of Metal (Au, Ag) Micro-Grid on the Photocatalytic Activity of TiO2 Film. Catal Lett 123, 51–55 (2008). https://doi.org/10.1007/s10562-007-9392-2

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  • DOI: https://doi.org/10.1007/s10562-007-9392-2

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