| タイトル |
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en
Influence of Crystallite Size of TiO2 Supports on the Activity of Dispersed Pt Catalysts in Liquid-Phase Selective Hydrogenation of 3-Nitrostyrene, Nitrobenzene, and Styrene
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| 作成者 |
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| アクセス権 |
open access |
| 権利情報 |
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en
The final publication is available at Springer via http://dx.doi.org/10.1007/s10562-014-1404-4
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| 主題 |
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Other
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Titania
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Other
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Crystallite size
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Other
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Nanocrystal
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Other
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Platinum
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Other
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Hydrogenation
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NDC
571
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| 内容注記 |
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Abstract
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Supported Pt catalysts were prepared using several kinds of TiO2 supports different in the crystallite size in the range of 10-500 nm and their catalytic activity was tested for the liquid-phase hydrogenation of 3-nitrostyrene, nitrobenzene, and styrene. With Pt on smaller TiO2 crystallites (nanocrystals), the selectivity to vinylaniline was improved in the hydrogenation of 3-nitrostyrene (regioselective hydrogenation) and the selectivity to aniline was promoted in the hydrogenation of a mixture of nitrobenzene and styrene (chemoselective hydrogenation). The effects of TiO2 crystallite size were discussed on the basis of the results of turnover frequency and FTIR of CO adsorbed on dispersed Pt particles. Low coordinated and/or electron-rich Pt sites should be formed on the surface of nanocrystal TiO2 supports. Nanocrystal TiO2 support is an important factor for controlling and improving the catalytic performance of dispersed Pt particles.
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| 出版者 |
en
Springer
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| 日付 |
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| 言語 |
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| 資源タイプ |
journal article |
| 出版タイプ |
AM |
| 資源識別子 |
HDL
http://hdl.handle.net/2115/60177
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| 関連 |
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isVersionOf
DOI
https://doi.org/10.1007/s10562-014-1404-4
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| 収録誌情報 |
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en
Catalysis Letters
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巻145
号2
開始ページ606
終了ページ611
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| ファイル |
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| コンテンツ更新日時 |
2023-07-26 |
