Self-assembly of mesoporous Ni–B amorphous alloy catalysts
Mesoscopically spherical Ni–B amorphous alloy nanoparticles were prepared through self-assembly of an ionic surfactant hexadecyltrimethylammonium bromide. During liquid-phase nitrobenzene hydrogenation, the as-prepared mesoporous Ni–B catalyst exhibited higher activity and selectivity than the regul...
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| Veröffentlicht in: | Journal of catalysis 2006-12, Vol.244 (2), p.251-254 |
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| container_end_page | 254 |
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| container_issue | 2 |
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| container_title | Journal of catalysis |
| container_volume | 244 |
| creator | Li, Hexing Zhao, Qingfei Wan, Ying Dai, Weilin Qiao, Minghua |
| description | Mesoscopically spherical Ni–B amorphous alloy nanoparticles were prepared through self-assembly of an ionic surfactant hexadecyltrimethylammonium bromide. During liquid-phase nitrobenzene hydrogenation, the as-prepared mesoporous Ni–B catalyst exhibited higher activity and selectivity than the regular Ni–B obtained via direct chemical reduction, apparently owing to the higher surface area, which ensured high dispersion of active sites and the mesoporous channels that might facilitate diffusion and adsorption of reactant molecules. |
| doi_str_mv | 10.1016/j.jcat.2006.08.025 |
| format | Article |
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During liquid-phase nitrobenzene hydrogenation, the as-prepared mesoporous Ni–B catalyst exhibited higher activity and selectivity than the regular Ni–B obtained via direct chemical reduction, apparently owing to the higher surface area, which ensured high dispersion of active sites and the mesoporous channels that might facilitate diffusion and adsorption of reactant molecules.</description><identifier>ISSN: 0021-9517</identifier><identifier>EISSN: 1090-2694</identifier><identifier>DOI: 10.1016/j.jcat.2006.08.025</identifier><identifier>CODEN: JCTLA5</identifier><language>eng</language><publisher>Amsterdam: Elsevier Inc</publisher><subject>Catalysis ; Catalysts ; Chemistry ; Colloidal state and disperse state ; Exact sciences and technology ; General and physical chemistry ; Mesoporous structure ; Nanoparticles ; Nickel alloys ; Nitrobenzene hydrogenation ; Ni–B amorphous alloy ; Physical and chemical studies. Granulometry. 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During liquid-phase nitrobenzene hydrogenation, the as-prepared mesoporous Ni–B catalyst exhibited higher activity and selectivity than the regular Ni–B obtained via direct chemical reduction, apparently owing to the higher surface area, which ensured high dispersion of active sites and the mesoporous channels that might facilitate diffusion and adsorption of reactant molecules.</description><subject>Catalysis</subject><subject>Catalysts</subject><subject>Chemistry</subject><subject>Colloidal state and disperse state</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Mesoporous structure</subject><subject>Nanoparticles</subject><subject>Nickel alloys</subject><subject>Nitrobenzene hydrogenation</subject><subject>Ni–B amorphous alloy</subject><subject>Physical and chemical studies. Granulometry. Electrokinetic phenomena</subject><subject>Porous materials</subject><subject>Surfactant self-assembly</subject><subject>Theory of reactions, general kinetics. Catalysis. 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| ispartof | Journal of catalysis, 2006-12, Vol.244 (2), p.251-254 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Catalysis Catalysts Chemistry Colloidal state and disperse state Exact sciences and technology General and physical chemistry Mesoporous structure Nanoparticles Nickel alloys Nitrobenzene hydrogenation Ni–B amorphous alloy Physical and chemical studies. Granulometry. Electrokinetic phenomena Porous materials Surfactant self-assembly Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry |
| title | Self-assembly of mesoporous Ni–B amorphous alloy catalysts |
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