Abstract
Abstract For numerous industrial processes, the size and shape of solid particles used as catalysts and/or adsorbents are very important in the process development. This work is aimed to study the control of SBA-15 materials morphology by modification of different synthesis parameters. Results indicate that the reduction of stirring rate leads to changes in the shape of SBA-15 particles from small fiber-like to higher irregular agglomerates. Also, a higher amount of sphere-like particles are obtained by increasing TEOS/P123 molar ratio. The raise of HCl/P123 molar ratio modifies clearly the morphology but alters the hexagonal structure. Consequences of cosolvent presence in the synthesis over SBA-15 morphology depend on the diffusion of these organic molecules towards hydrophobic part of the micelles.
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