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Tailoring nanoporous aluminosilicates with well-defined Al(OSi)4 sites using dimethylsilanol-modified cage siloxanes
Takuya Hikino1, Hikaru Mochizuki2, Takamichi Matsuno2,3,4
1Department of Advanced Science and Engineering, Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan.
Abstract:
The precise synthesis of nanoporous aluminosilicates with well-defined Al(OSi)4 sites was achieved using rigid cage siloxanes. Organic ammonium cations served not only as counterions for the negatively charged framework but also as modulators of pore characteristics. Treatment with an aqueous NH4Cl solution generated Brønsted acid sites. This work paves the way for designing nanoporous aluminosilicate materials.
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