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Oxide Thin Films, Multilayers, and Nanocomposites pp 273–301Cite as

Hybrid Oxide Nanostructures as Photocatalysts

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Abstract

The photocatalytic process and various approaches to enhance the efficiency of photocatalysis in metal oxides nanostructures are described in this chapter. The concept of coupling nanostructured metal oxide to another metal oxide or noble metal nanoparticles (NPs) to form hybrid material with novel properties is an attractive and efficient approach for enhancing the photocatalytic efficiency. The hybrid photocatalysts have shown to improve the carrier separation and visible light absorption and thus the photocatalytic efficiency. The effect of various noble metal NPs (Pt, Au, Ag) decoration/coupling on the photocatalytic activity of the metal oxide (TiO2, ZnO) semiconductors is discussed with the possible mechanisms. Various hybrid oxide nanostructures such as TiO2–ZnO, TiO2–SnO2–TiO2–WO3, TiO2–SiO2, ZnO–Fe2O3, ZnO–Fe3O4, ZnO–SnO2, ZnO–Cu2O are discussed for their photocatalytic activities. The promising photocatalytic properties of metal oxides hybrid with carbon based materials like carbon nanotubes and graphene is also described.

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Acknowledgement

This work was supported by the project “CEITEC—Central European Institute of Technology” CZ.1.05/1.1.00/02.0068.

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Authors and Affiliations

  1. Central European Institute of Technology, Brno University of Technology, Technicka 10, 61600, Brno, Czech Republic

    Rajneesh Mohan & Jaromir Hubalek

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  1. Rajneesh Mohan
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  2. Jaromir Hubalek
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Correspondence to Rajneesh Mohan .

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Editors and Affiliations

  1. Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan

    Paolo Mele

  2. Graduate School of Engineering, Mie University, Tsu, Japan

    Tamio Endo

  3. National Institute for Materials Science, Tsukuba, Japan

    Shunichi Arisawa

  4. Kochi University of Technology, Kochi, Japan

    Chaoyang Li

  5. AIST, Tsukuba, Japan

    Tetsuo Tsuchiya

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Mohan, R., Hubalek, J. (2015). Hybrid Oxide Nanostructures as Photocatalysts. In: Mele, P., Endo, T., Arisawa, S., Li, C., Tsuchiya, T. (eds) Oxide Thin Films, Multilayers, and Nanocomposites. Springer, Cham. https://doi.org/10.1007/978-3-319-14478-8_13

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