Journal
CATALYSIS TODAY
Volume 147, Issue -, Pages S46-S50Publisher
ELSEVIER
DOI: 10.1016/j.cattod.2009.07.059
Keywords
Mesoporous alumina; Template; Saccharide molecules
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A series of mesoporous alumina was prepared using a selected group of saccharide molecules including glucose, sucrose, starch and beta-cyclodextrin as structure-directing templates in aqueous system. The influence of pH value was also investigated. The products were characterized using X-Ray Diffraction (XRD), Transmission Electron Microscopy (TEM), Magic-Angle Spinning Nuclear Magnetic Resonance (Al-27 MAS NMR) and N-2 sorption methods. The results show that the properties of products are influenced by the initial pH value of the system, and the molecular size of the templates has a great effect on the physical properties of products. According to the results and disccusion, the templating formation mechanism was tentatively postulated. (C) 2009 Elsevier B.V. All rights reserved.
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