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B. V. Romanovsky, A. A. Maerle, A. A. Karakulina, I. F. Moskovskaya
Ultrasound-assisted
synthesis of nanostructured transition metal oxides
Abstract
Ultrasonic
pretreatment of aqueous solution of cetyltrimethylammonium bromide as a
structure directing agent was applied to prepare nanostructured mesoporous Mn,
Fe and Ni oxides. After removing the template by triple extraction with
water-ethanol solution of sodium acetate or ammonium chloride, the air-calcined
samples of oxide materials prepared in such a way possess the surface areas of
about 300-450 m2/g that are thermally stable up to 300 °C.
Key words: mesoporous metal oxides, template synthesis, ultrasound pretreatment.
Copyright (C) Chemistry Dept., Moscow State University, 2002
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