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Photocatalytic Degradation of Tetracycline Hydrochloride in Aqueous Solution at Ambient Conditions Stimulated by Gold Containing Zinc- Titanium Oxide Films
-
Oksana Linnik
,
Evgenij Manuilov
Published/Copyright:
November 30, 2016
Abstract
Incorporation of gold species in the matrix of titania and zinc-containing titania films was applied for an improvement of their photocatalytic capability in the tetracycline hydrochloride (TC) destruction. Two different procedures of the gold metal generation by photo-thermo-reduction method were tested in this process. Multi-layered coatings of these films enhanced the rate of TC degradation as well as had effect on the reaction products. Reproducibility of the film activity was observed after several irradiation procedures without any additional treatment of the catalyst. Surface plasmon resonance band of gold nanoparticles was obviously shifted to the blue region in UV-vis absorption spectrum as a result of light action supposing the gold oxidation to ionic species. The plasmon band completely reverted to the original one upon exposure to air in the dark. Matrix-assisted laser desorption/ionization measurements confirmed the destruction of the cyclic structure of the antibiotics molecule.
Keywords : Titanium oxide film; gold nanoparticles; zinc ions; photocatalysis; antibiotics; surface plasmon resonance
Received: 2009-3-27
Revised: 2009-6-10
Accepted: 2009-7-7
Published Online: 2016-11-30
Published in Print: 2009-7-1
© 2016 by Walter de Gruyter Berlin/Boston
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Keywords for this article
Titanium oxide film;
gold nanoparticles;
zinc ions;
photocatalysis;
antibiotics;
surface plasmon resonance
Articles in the same Issue
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- Degradation of n-Butyl tin Chlorides in Waters. A Comparative Assessment of the Process by Photo-assisted and Chemical- treatment Methods
- Comparison of Emerging NSAID Pollutants Degradation in Aqueous Media by O3/UV-VIS Processes
- Liquid Phase Epoxidation of Allylic Compounds with Hydrogen Peroxide at Autogenic and Atmospheric Pressure over Mesoporous Ti- MCM-48 Catalyst
- Scope of Metal Loaded Microporous Zeolite-Y as Catalyst in Ozone Initiated Oxidation of n-hexadecane
- Solar Photocatalytic Process (TiO2 and Photo-Fenton) to Detoxify Effluents from Water-washed Spray Booths
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- Synthesis, Characterization and Photocatalytic Activity of Ag-doped TiO2 Film
- Degradation of Pesticide by Photocatalytic Ozonation Process and Study of Synergistic Effect by Comparison with Photocatalysis and UV/Ozonation Processes
- Reactivity of Peroxyl Radicals towards Hydrogen Donors: A Kinetic ESR Investigation
- Removal of SO2 by Gas-Phase Oxidation Using DBD Micro-gap Discharge Plasma
- Hydrothermal Preparation and Photocatalytic Performance of (I2)n Sensitized and I(V) Doped TiO2 Supported on SiO2
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- Photocatalytic Degradation of Tetracycline Hydrochloride in Aqueous Solution at Ambient Conditions Stimulated by Gold Containing Zinc- Titanium Oxide Films
