Abstract
Thermal hydrolysis of titanium hydrochloride in the presence of ammonium sulfate added in a Ti: SO 2−4 = 20: 1 ratio was used to obtain samples of mesoporous titanium dioxide with anatase structure, stable in a wide temperature range. The phase composition, porous structure, and morphology of the synthesized titanium dioxide powders were examined by X-ray phase analysis, IR spectroscopy, scanning electron microscopy, and low-temperature adsorption of nitrogen. The role played by sulfate ions in how the microstructure of titanium dioxide is formed was determined. The effect of the hydrolysis temperature on the structure of titanium dioxide being obtained and on its photocatalytic activity in the reaction of decomposition of Methyl Orange dye was examined.
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Original Russian Text © I.I. Lebedeva, I.P. Sizeneva, D.M. Kisel’kov, V.A. Val’tsifer, 2014, published in Zhurnal Prikladnoi Khimii, 2014, Vol. 87, No. 5, pp. 554–562.
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Lebedeva, I.I., Sizeneva, I.P., Kisel’kov, D.M. et al. Study of the effect of ammonium sulfate additives on the structure and photocatalytic activity of titanium dioxide. Russ J Appl Chem 87, 547–554 (2014). https://doi.org/10.1134/S1070427214050024
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DOI: https://doi.org/10.1134/S1070427214050024