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首页> 外文期刊>Journal of Materials Science >Preparation and catalytic activity of nanostructured Pd catalysts supported on hydrogenotitanate nanotubes
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Preparation and catalytic activity of nanostructured Pd catalysts supported on hydrogenotitanate nanotubes

机译:氢钛酸根纳米管负载的纳米结构Pd催化剂的制备及催化活性

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摘要

Nanostructured palladium particles (nanorods, icosahedra, cubes) were synthesized in aqueous solution using a seeding-mediated approach with a structure-directing agent. These nanostructured Pd particles were then impregnated onto hydrogenotitanate nanotubes using two different impregnation procedures. The as-prepared catalysts were then tested in the selective hydrogenation of cinnamaldehyde at 323 K under 10 bars of H2. The selectivity is influenced by the morphology of the Pd nanostructured particles with a higher selectivity into saturated alcohols when the proportion of (111) Pd sites increases.
机译:纳米结构的钯粒子(nanodods,icosahedra,立方体)是在水溶液中使用种子介导的方法与结构导向剂合成的。然后使用两种不同的浸渍程序将这些纳米结构的Pd颗粒浸渍到氢钛酸纳米管上。然后在10 bar H 2 下于323 K下对肉桂醛进行选择性加氢测试。当(111)Pd位点的比例增加时,选择性受到Pd纳米结构颗粒的形态的影响,对饱和醇的选择性更高。

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