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

被引：0
|
作者：
Natalie Smirnova
Anna Eremenko
Vladimir Gayvoronskij
Irina Petrik
Yuriy Gnatyuk
Galina Krylova
Andrey Korchev
Alexej Chuiko
机构：
[1] Institute of Surface Chemistry of NASU,
[2] Institute of Physics NASU,undefined
[3] Institute of Surface Chemistry of NASU,undefined
[4] Auburn University,undefined
[5] Institute of Surface Chemistry of NASU,undefined
来源：
Journal of Sol-Gel Science and Technology | 2004年 / 32卷
关键词：
sol–gel synthesis; mesoporous titania and silica films; pore creative and template agents; photoreduction of Cr (IV) and Ag; refractive index dispersion;
D O I：
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中图分类号：
学科分类号：
摘要：
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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页码：357 / 362
页数：5
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