Synthesis and Characterization of Large Pore Size and Highly Ordered Mesoporous Molecular Sieve SBA-15

Xiang Diao

doi:10.4028/www.scientific.net/AMR.554-556.620

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 554-556Synthesis and Characterization of Large Pore Size...

Synthesis and Characterization of Large Pore Size and Highly Ordered Mesoporous Molecular Sieve SBA-15

Abstract:

In this study, large pore size and highly ordered mesoporous molecular sieve SBA-15 was successfully synthesized in the acidic medium by using n-propanol as the pore-expanding agent, and tetraethyl orthosilicate (TEOS) as silicon source and poly(ethylene oxide)-block-poly(propylene oxide)-block-poly(ethylene oxide) triblock copolymer (P123 triblock copolymer) as a template agent. The samples were characterized by Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM) and Nitrogen Adsorption-Desorption. It is found that the particles of mesoporous molecular sieve SBA-15 have regular morphology and ordered pore structure, and also have high specific surface area, large pore size and pore volume.

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Periodical:

Advanced Materials Research (Volumes 554-556)

Pages:

620-623

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.554-556.620

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Online since:

July 2012

Authors:

Xiang Diao

Keywords:

Characterization, Mesoporous, SBA-15, Synthesis

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