Titanium aquo-oxo chloride and preparation method thereof

Details Titanium aquo-oxo chloride and preparation method thereof Titanium aquo-oxo chloride and preparation method thereof

2004-04-29

2010-12-28

Nguyen, Ngoc-Yen M (Department: 1793)

Chemistry of inorganic compounds

Halogen or compound thereof

C423S492000, C423S608000, C423S610000

Reexamination Certificate

active

07858064

ABSTRACT:
The invention relates to a titanium aquo-oxo chloride and to a method for its preparation. The compound is in the form of crystals and has the following composition by weight: 26.91% Ti; 21.36% Cl; and 4.41% H, which corresponds to the formula [Ti8O12(H2O)24]Cl8.HCl.7H2O. The method of preparation consists in hydrolyzing TiOCl2either in an atmosphere whose moisture content is maintained between 50 and 60%, or by an alkali metal carbonate A2CO3, in order to obtain a titanium aquo-oxo chloride. The compound is useful as a semiconductor element of a photovoltaic cell or as a photocatalyst in air or water purification treatments.

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M.G. Reichmann et al., Structure of [Ti8012(H20)24]C18.HC1.7H20, Acta Cryst (1987), vol. C43, pp. 1681-1683.
Mark G. Reichmann and Alexis T. Bell, “Raman Study of the Preparation of SiO2-Supported TiO2from TiC14and HC1†”, Langmuir (1987), vol. 3, pp. 111-116.
Sun-Jae Kim et al. “Homogeneous Precipitation of TIO2Ultrafine Powders from Aqueous TiOC12Solution”, Journal of the American Ceramic Society (1999), vol. 82, No. 4, pp. 927-932.
International Search Report dated Nov. 5, 2004.

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