Preparation of a mesoporous high surface area titanium oxo phosphate via a 
non-ionic surfactant route

Thieme, M.; Schüth, F.

doi:10.1016/S1387-1811(98)00253-4

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Preparation of a mesoporous high surface area titanium oxo phosphate via a non-ionic surfactant route

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Schüth, F.
Institut für Anorganische Chemie, J.W. Goethe-Universität Frankfurt, M. Curie Str.11, 60439 Frankfurt, Germany;
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Thieme, M., & Schüth, F. (1999). Preparation of a mesoporous high surface area titanium oxo phosphate via a non-ionic surfactant route. Microporous and Mesoporous Materials, 27(2-3), 193-200. doi:10.1016/S1387-1811(98)00253-4.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-34C2-0

Abstract

Since the development of the first mesoporous silica materials by scientists of Mobil Oil [J.S. Beck, US Patent (Mobil Oil Corporation) 5, 057 (1991) 296], the synthesis principle has been applied to other metal oxides. Here, we report a new mesoporous titanium oxo phosphate, which is synthesized by a non-ionic template route (N⁰I⁰). The formation of the mesoporous structure is dominated by hydrogen bonding between self-assembled surfactant micelles and inorganic precursors. A low-cost industrial polyethylenoxide named Dodecanol +5 EO (BASF) was used as a non-ionic surfactant. The N2-adsorption isotherm reveals the existence of mesoporosity in these titanium oxo phosphates with a type IV isotherm and a BET-surface area of 350 m² g⁻¹, with pore sizes calculated to be approximately 4.5 nm. The materials are thermally stable up to 550°C, among the highest temperatures reported for very high surface area mesoporous oxides so far.