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Pore-Size Dependence of the Acidic Property of Mesoporous Silica FSM-16 |
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| Authors: | Takashi Yamamoto Shigehisa Mori Tetsuya Shishido Jun Kawai Tsunehiro Tanaka |
| Affiliation: | 1. Faculty of Integrated Arts and Sciences, The University of Tokushima, 1-1 Minamijosanjima-cho, Tokushima, 770-8506, Japan 2. Department of Materials Science and Engineering, Kyoto University, Sakyoku, 606-8501, Japan 3. Department of Molecular Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510, Japan |
| Abstract: | The pore-size dependence of the acidic properties of mesoporous silica FSM-16 in the range from 1.8 to 3.8 nm was investigated with the catalysis of 2-butanol dehydration and using FTIR spectra of adsorbed pyridine. The activity was the highest for FSM-16 with a minimum pore diameter, and decreased with increasing pore size. Differences in the acid amounts of siliceous FSM-16 and the strength dependent on the pore diameter were not confirmed by FTIR characterization using pyridine as a probe molecule. |
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