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Sol–Gel Processed Functional Nanosized TiO2 and SiO2-Based Films for Photocatalysts and Other Applications

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Abstract

Titania and silica-based porous coatings have been produced via sol–gel route in the presence of pore-creating agents PEG and viscous solvent α-terpineol, or template agents CTAB, as well as triblock copolimer Pluronic P123. Porous titania films were characterised by HR TEM, UV-Vis, XRD, ellipsometry, ARS methods. The dispersion of the refractive index, the porosity (32–39%) and the thickness of the samples were estimated by integrating sphere transmission and reflection spectra with 3D angular resolved light scattering. The catalytic activity of mesoporous TiO2 and TiO2/ZrO2 as well as SiO2-benzophenone films in the process of CrVI to CrIII and Ag+ to Ag0 photoreduction have been studied.

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Authors and Affiliations

  1. Institute of Surface Chemistry of NASU, 17 General Naumov str., 03164, Kiev, Ukraine

    Natalie Smirnova & Anna Eremenko

  2. Institute of Physics NASU, pr. Nauki 46, Kiev, 03028, Ukraine

    Vladimir Gayvoronskij

  3. Institute of Surface Chemistry of NASU, 17 General Naumov str., 03164, Kiev, Ukraine

    Irina Petrik, Yuriy Gnatyuk & Galina Krylova

  4. Auburn University, Alabama, 36849-5312

    Andrey Korchev

  5. Institute of Surface Chemistry of NASU, 17 General Naumov str., 03164, Kiev, Ukraine

    Alexej Chuiko

Authors
  1. Natalie Smirnova
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  2. Anna Eremenko
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  3. Vladimir Gayvoronskij
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  4. Irina Petrik
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  5. Yuriy Gnatyuk
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  6. Galina Krylova
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  7. Andrey Korchev
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  8. Alexej Chuiko
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Correspondence to Natalie Smirnova.

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Smirnova, N., Eremenko, A., Gayvoronskij, V. et al. Sol–Gel Processed Functional Nanosized TiO2 and SiO2-Based Films for Photocatalysts and Other Applications. J Sol-Gel Sci Technol 32, 357–362 (2004). https://doi.org/10.1007/s10971-004-5817-1

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