Journal
NANOSCALE
Volume 4, Issue 6, Pages 2150-2156Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2nr11643j
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Funding
- National Science Foundation of China [20873070, 20973095]
- National Basic Research Program of China [2009CB623502]
- NCET of Ministry of Education [NCET-07-0448]
- MOE [IRT-0927]
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Hydrothermally stable mesoporous aluminosilicates Al-SBA-1 with hierarchical pore structure have been successfully synthesized under alkaline condition at 120 degrees C by employing organic mesomorphous complexes of polyelectrolyte (poly(acrylic acid) (PAA)) and cationic surfactant (hexadecyl pyridinium chloride (CPC)) as template. The Si/Al ratio could be as high as 5 and the incorporation of Al into the silica framework did not disturb the well-ordered cubic Pm(3) over bar n mesostructure. Meanwhile, the incorporation of Al could greatly increase the specific surface area and pore volume of the samples. The Al-SBA-1 materials exhibited a high hydrothermal stability and remained stable even after being treated in boiling water for 10 days. The catalytic activity of the Al-SBA-1 materials was investigated by employing the Friedel-Crafts alkylation of toluene with benzyl alcohol as a model reaction and they exhibited excellent catalytic property due to the incorporated acid sites and the hierarchically mesoporous structure.
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