2010•Russian Journal of Inorganic ChemistryRequires access

Hydrothermal synthesis of efficient TiO2-based photocatalysts

В. К. Иванов, V. D. Maksimov, A. S. Shaporev, А. Е. Баранчиков, B. P. Churagulov, И. А. Зверева, Yu. D. Tret’yakov

Abstract

We carried out a thorough study of the micromorphology, physicochemical properties, and photocatalytic activity of nanocrystalline anatase powders formed during the hydrothermal treatment of titanyl sulfate solutions of various compositions. A new procedure is proposed for the hydrothermal synthesis of nanocrystalline anatase having specific surface areas of ∼50 m 2 /g and photocatalytic activities exceeding the activity of the commercially available Degussa P25 formulation.

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Key concepts: Hydrothermal circulation, Nanocrystalline material, Photocatalysis, Anatase, Chemical engineering, Materials science, Hydrothermal synthesis, Sulfate