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Improvement of the Thermal Stability of Mesostructured Metal Oxides with Zirconia as the Example

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons58985

Schüth,  Ferdi
Institut für Anorganische Chemie, Johann Wolfgang Goethe-Universität Frankfurt, Germany;
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Ciesly, U., Stucky, G., & Schüth, F. (1989). Improvement of the Thermal Stability of Mesostructured Metal Oxides with Zirconia as the Example. In Studies in Surface Science and Catalysis (pp. 527-534). Amsterdam: Elsevier. doi:10.1016/S0167-2991(98)81034-3.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0024-4C9B-9
Abstract
he preparation of high quality mesostructures made from zirconium sulfate and -phosphate and the resulting new porous structures “zirconium oxide- sulfate” and “zirconium oxo phosphate” is presented. The presence of phosphate and sulfate ions causes a crystallization delay of the amorphous zirconia phase. Therefore, by stabilizing the amorphous phase, the mesostructures are thermally stable up to 500 °C without loosing their ordered pore structure and their high surface area.