Purely Lewis Acidic Aluminosilicates with well-defined single sites
(2018) 12th International Symposium “Scientific Bases for the Preparation of Heterogeneous Catalysts” (PREPA12) — Location: Louvain-la-Neuve, Belgium (8.July.2018)
Files
171020AStyskalik_Single_Site_Al_abstract_PREPA12-3dd.pdf
Open Access - Adobe PDF
- 641.94 KB
Details
- Authors
- Abstract
- Herein we present a general building block synthetic strategy for targeting specific types of sites active in catalysis within a silicate matrix. In this contribution we focus on the preparation of atomically dispersed, well-defined, and purely Lewis acidic aluminum sites in silicate matrices. These amorphous matrices are composed of the spherosilicate cube (Si8O20) linked together by combi¬nations of aluminum and siloxane groups. The use of rigid Si8O20 units as building blocks to construct the support has several advantages - active sites in the matrix are easily isolated from one another and additionally, void volumes are developed within the growing network (i.e. porosity). Non-aqueous sol-gel reactions between the silicate cube and aluminum chloride precursor complexes are used to develop the support matrix around the Al active sites. The connectivity of the catalytically active aluminum centers to the surrounding silicate matrix can be varied by choice of aluminum precursor.
- Affiliations
Citations
Styskalik, A., Abbott, J. G., Barnes, C. E., & Debecker, D. (2018). Purely Lewis Acidic Aluminosilicates with well-defined single sites. 12th International Symposium “Scientific Bases for the Preparation of Heterogeneous Catalysts” (PREPA12), Louvain-la-Neuve, Belgium. https://hdl.handle.net/2078.5/60759