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Journal of Sol-Gel Science and Technology
Published in: Journal of Sol-Gel Science and Technology 2/2012

01-02-2012 | Original Paper

Photocatalytic degradation of metoprolol in water suspension of TiO2 nanopowders prepared using sol–gel route

Authors: Maja Šćepanović, Biljana Abramović, Aleksandar Golubović, Sanja Kler, Mirjana Grujić-Brojčin, Zorana Dohčević-Mitrović, Biljana Babić, Branko Matović, Zoran V. Popović

Published in: Journal of Sol-Gel Science and Technology | Issue 2/2012

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Abstract

Nanocrystalline titanium dioxide (TiO2) powders have been synthesized by sol–gel method using titanium tetrachloride (TiCl4) or tetrabutyl titanate (Ti(OC4H9)4 as precursors, different alcohols and calcination temperatures in the range from 400 to 650 °C. The photocatalytic activity of as-prepared powders has been tested for the degradation of metoprolol tartrate salt, a selective β-blocker used to treat a variety of cardiovascular diseases, and compared to photocatalytic activity obtained from Degussa P25. Nanosized TiO2 powders prepared from TiCl4 and amyl-alcohol, calcined at 550 °C, displayed an activity comparable to Degussa P25, whereas the sample from the same series, calcined at 650 °C, showed higher photocatalytic activity in the whole range of the catalyst loading. Structural, morphological and surface properties of synthesized TiO2 nanopowders have been investigated by XRD, SEM, EDS and BET measurements, as well as FTIR and Raman spectroscopy, in order to find out the material properties which enable rapid an efficient decomposition of metoprolol under UV radiation.
previous article Aqueous dip-coating route to dense and porous silica thin films using silica nanocolloids with an aid of polyvinylpyrrolidone
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Metadata
Title
Photocatalytic degradation of metoprolol in water suspension of TiO2 nanopowders prepared using sol–gel route
Authors
Maja Šćepanović
Biljana Abramović
Aleksandar Golubović
Sanja Kler
Mirjana Grujić-Brojčin
Zorana Dohčević-Mitrović
Biljana Babić
Branko Matović
Zoran V. Popović
Publication date
01-02-2012
Publisher
Springer US
Published in
Journal of Sol-Gel Science and Technology / Issue 2/2012
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-011-2639-9

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