Please use this identifier to cite or link to this item: https://doi.org/10.1016/S1381-1169(01)00349-1
Title: Catalysts from MCM-41: Framework modification, pore size engineering, and organic-inorganic hybrid materials
Authors: Chuah, G.K. 
Hu, X.
Zhan, P.
Jaenicke, S. 
Keywords: MCM-41
Organic-inorganic hybrid materials
Pore size engineering
Solid acids
Solid bases
Issue Date: 25-Mar-2002
Source: Chuah, G.K., Hu, X., Zhan, P., Jaenicke, S. (2002-03-25). Catalysts from MCM-41: Framework modification, pore size engineering, and organic-inorganic hybrid materials. Journal of Molecular Catalysis A: Chemical 181 (1-2) : 25-31. ScholarBank@NUS Repository. https://doi.org/10.1016/S1381-1169(01)00349-1
Abstract: The mesoporous material, MCM-41, is characterized by an extremely high surface area and a one-dimensional system of cylindrical pores with a narrow size distribution in the mesopore range. Adjustment of the pore size over the range 2.0-4.0 nm can be easily achieved by selection of a templating agent. However, the material has little intrinsic catalytic activity. In order to take advantage of the unique opportunities inherent in the defined porosity, catalytic activity has to be introduced. This can be done by inorganic ions, or by affixing organic/metal-organic active groups on the material. We describe catalysts for high temperature gas-phase reactions where functionalization has been achieved by the introduction of framework alumina and platinum. For liquid-phase reactions, we developed solid bases as well as solid Lewis acids based upon modified MCM-41. Through pore size engineering, i.e. matching the pore size to the size of the reacting molecules, the selectivity of the catalyst can be increased, as shown for the preparation of linear alkyl benzenes. © 2002 Elsevier Science B.V. All rights reserved.
Source Title: Journal of Molecular Catalysis A: Chemical
URI: http://scholarbank.nus.edu.sg/handle/10635/77410
ISSN: 13811169
DOI: 10.1016/S1381-1169(01)00349-1
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