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HomeMaterials Science ForumMaterials Science Forum Vol. 694Preparation and Characterization of Spherical...

Preparation and Characterization of Spherical Mesoporous Material SBA-15 in the Presence of H₃PO₄

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Abstract:

The spherical mesoporous material SBA-15 was synthesized by amphiphilic triblock copolymer P123 as the template in the presence of phosphoric acid. The samples were characterized by polarizing microscope, N₂ adsorption-desorption, XRD and SEM. The experimental conditions were studied in detail. We found that the perfect spherical SBA-15 with a good crystallinity and narrow pore size distribution could be obtained at 4 mol/L phosphoric acid, mild stirring rate, and 10 °C reacting temperature.

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Frontier of Nanoscience and Technology

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Periodical:

Materials Science Forum (Volume 694)

Pages:

804-808

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.694.804

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Online since:

July 2011

Authors:

Wen Jiang Li, Zhen Yun Yu, Fei Xie, Mei Zhou Qi

Keywords:

H₃PO₄, SBA-15, Shape, Sphere

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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