P-Tu-65 Thermal and Hydrothermal Stability of Flame Hydrolytically Synthesized SiO2/TiO2 Mixed Oxides

Tuesday, June 7, 2011
Ontario Exhibit Hall (Detroit Marriott Hotel at the Renaissance Center )
Robert E. Johnson1, Claus-Peter Drexel2, Semih Afyon3, Michael Hagemann2, Mehmet Somer3, Christian Schulze-Isfort2 and Andreas Hille4, (1)Evonik Degussa Corporation, Piscataway, NJ, (2)Evonik Industries, GmbH, 63457 Hanau(Wolfgang), Germany, (3)Koc University, 34450 Sariyer-Istanbul, Turkey, (4)Evonik Industries, GmbH, 79618 Rheinfelden, Germany
Synthesis by flame hydrolytic doping results in SiO2/TiO2 materials with a variety of surface morphologies that have potential advantage as catalyst supports.  Under sintering conditions (thermal and hydrothermal), a subset of these materials demonstrates that doping allows the base titania to be stable against sintering by resisting crystallite growth.

Extended Abstracts: