Abstract
Thermally stable zirconia is prepared on the basis of the atrane route using the hydrolysis retarding agent TEAH and commercial alkyltrimethylammonium bromide. The use of zirconium atrane derivatives allows us to control the hydrolysis and condensation rates of zirconium alkoxides, and thus mesoporous zirconia can be synthesized starting from highly reactive zirconium alkoxides. The zirconia samples have been characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy and N 2 adsorption–desorption analysis. The present zirconia has the BET surface area of more than 300 m 2/g after calcination at a high temperature of 500 °C. It is also shown that this material consists of mesoporous solid with a microporous contribution and framework-confined wormhole pore structure.
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