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ICCAS OpenIR  > 分子纳米结构与纳米技术实验室  > 期刊论文
题名: Palladium Nanoparticles Encapsulated in a Silicalite-1 Zeolite Shell for Size-Selective Catalysis in Liquid-Phase Solution
作者: Liu, Chang1; Liu, Jian1; Yang, Shuliang1; Cao, Changyan1; Song, Weiguo1
关键词: composite materials ; heterogeneous catalysis ; hydrogenation ; palladium ; zeolites
刊名: CHEMCATCHEM
发表日期: 2016-04-06
卷: 8, 期:7, 页:1279-1282
收录类别: SCI
英文摘要: Size-selective catalysis is of great significance in both fundamental research and industrial applications. One well-known example is zeolite-based catalysts, which show remarkable size selectivity in gas-phase reactions. However, very few of these catalysts are realized in liquid-phase solution. Herein, we report an efficient route to produce a composite composed of Pd nanoparticles encapsulated in a silicalite-1 zeolite shell. This composite shows sharp size-selective catalysis in the hydrogenation of olefin aldehydes in aqueous solution. Owing to the pore-size limitation of the silicalite-1 zeolite shell (0.53x0.56nm), the catalyst shows high activity in the hydrogenation of 3-methyl-2-butenal (0.38x0.62nm) and cinnamaldehyde (0.54x0.92nm) but no activity for the hydrogenation of 3,3-diphenylacrylaldehyde (0.81x1.0nm). A catalyst with this type of structure can be applied to load other metal nanoparticles and can serve as a useful platform to study heterogeneous size-selective catalysis in liquid solution.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/36015
Appears in Collections:分子纳米结构与纳米技术实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Lab Mol Nanostruct & Nanotechnol, Beijing 100190, Peoples R China
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