Zirconia-Stabilized 25-Å TiO2 Anatase Crystallites in a Mesoporous Structure
Chemistry of Materials1998Vol. 10(10), pp. 3140–3145
Citations Over TimeTop 11% of 1998 papers
Abstract
We have prepared and characterized a mesoporous material where the framework, of both the as-synthesized and calcined materials, is composed of ZrO2-doped 25-Å TiO2 anatase crystallites. The nanocrystalline framework is structured about a surfactant-templated, disordered porous network with a uniform pore diameter of 28 Å. Air calcination at 450 °C removes the surfactant to yield a mesoporous solid with surface area of 330 m2/g. The mesoporous framework and TiO2 crystallite size are surprisingly robust, and we observed no substantial structural differences between precalcined and calcined products.
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