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Issue 10, 2015
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Surfactant-free Pd@pSiO2 yolk–shell nanocatalysts for selective oxidation of primary alcohols to aldehydes

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Abstract

Combined high catalytic activity and thermal stability were achieved with a well-structured, surfactant-free Pd@porous SiO2 yolk–shell nanostructure, resulting from the entirely exposed Pd core particles and highly porous silica shells. Pd@SiO2 core–shell nanoparticles were synthesized by a water-in-oil microemulsion method for direct silica coating of as-prepared tiny Pd nanoparticles. Hydrothermal etching and subsequent high thermal treatment generated large pores in the silica shells and facilitated complete removal of surfactants around the core particles. The surfactant-free Pd@pSiO2 yolk–shell nanoparticles efficiently catalyzed the oxidation of benzyl alcohol as well as that of various substituted benzyl alcohols.

Graphical abstract: Surfactant-free Pd@pSiO2 yolk–shell nanocatalysts for selective oxidation of primary alcohols to aldehydes

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Article information


Submitted
22 May 2015
Accepted
06 Aug 2015
First published
13 Aug 2015

New J. Chem., 2015,39, 8153-8157
Article type
Paper
Author version available

Surfactant-free Pd@pSiO2 yolk–shell nanocatalysts for selective oxidation of primary alcohols to aldehydes

A. Kim, H. S. Bae, J. C. Park, H. Song and K. H. Park, New J. Chem., 2015, 39, 8153
DOI: 10.1039/C5NJ01295C

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