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Design of Ag-Modified TiO2-Based Films with Controlled Optical and Photocatalytic Properties

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Nanomaterials and Supramolecular Structures

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Abstract

TiO2-based functional coatings doped with Ag nanoparticles were prepared via template assisted sol–gel method with an attempt to enhance the decomposition reaction rate of industrial water pollutants. The films were characterized by X-ray diffraction (XRD), atomic force microscopy (AFM), X-ray photoelectron (XPS), and UV–vis spectroscopies. Catalytic activity in photooxidative organic dyes decomposition remarkably enhances TiO2/ZnO samples with homogeneously distributed noble metal nanoparticles. Ag nanoparticles in TiO2 matrix improve an efficiency of charge separation and charge-transfer processes, acting as traps for photoinduced electrons.

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Acknowledgments

The authors thank Gornikov Yu.I. for the XRD measurements; N.P. thanks STCU Project 4918 for the financial support.

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Authors and Affiliations

  1. O.O. Chuiko Institute of Surface Chemistry of the National Academy of Sciences of Ukraine, General Naumov St. 17, 03164, Kyiv, Ukraine

    N.P. Smirnova, E.V. Manuilov, Yu.I. Gnatyuk, A.M. Eremenko, P.P. Gorbyk & A.P. Shpak

  2. G.V. Kurdiumov Institute of Metal Physics of the NAS of Ukraine, Bulvar Akademika Vernadskogo, 36, 03680, Kyiv, Ukraine

    O.M. Korduban

  3. G.V. Kurdyumov Institute of Metallophysics of the National Academy of Sciences of Ukraine, Acad., Vernadsky blvd. 36, 03680, Kyiv, Ukraine

    V.O. Kandyba

Authors
  1. N.P. Smirnova
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  2. E.V. Manuilov
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  3. O.M. Korduban
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  4. Yu.I. Gnatyuk
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  5. V.O. Kandyba
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  6. A.M. Eremenko
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  7. P.P. Gorbyk
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  8. A.P. Shpak
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Corresponding author

Correspondence to N.P. Smirnova .

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Editors and Affiliations

  1. G.V. Kurdiumov Inst. Metal Physics, National Academy of Sciences of Ukraine, Blvd. Akademika Vernadskogo 36, Kiev, 03680, Ukraine

    Anatoliy Petrovych Shpak

  2. A. A. Chuiko Inst. Surface Chemistry, National Academy of Sciences of Ukraine, General Naumov St. 17, Kiev, 03164, Ukraine

    Petr Petrovych Gorbyk

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Smirnova, N. et al. (2009). Design of Ag-Modified TiO2-Based Films with Controlled Optical and Photocatalytic Properties. In: Shpak, A., Gorbyk, P. (eds) Nanomaterials and Supramolecular Structures. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-2309-4_10

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