Issue 4, 2013

Hematite nanoparticle-templated hollow carbon nanonets supported palladium nanoparticles: preparation and application as efficient recyclable catalysts

Abstract

Hollow carbon nanonets (HCN), which are attractive materials for catalyst support, were fabricated using the pre-synthesized hematite nanoparticles as the hard template. And then the HCN supported Pd nanoparticles (Pd/HCN) were prepared by precipitation-reduction method. The catalytic performance of Pd/HCN was investigated using Suzuki and Heck coupling reactions as model reactions. The results demonstrated that the as-prepared Pd/HCN nanocomposites exhibit high catalytic activity for the two types of coupling reactions under ligand free conditions. Especially, the Suzuki reactions between various aryl halides and phenylboronic acid gave excellent yields in water. Moreover, the as-prepared Pd/HCN catalysts can be easily recovered from the reaction medium by centrifugation for recycling, and the catalytic efficiency shows no obvious loss even after 6 repeated cycles.

Graphical abstract: Hematite nanoparticle-templated hollow carbon nanonets supported palladium nanoparticles: preparation and application as efficient recyclable catalysts

Supplementary files

Article information

Article type
Paper
Submitted
10 Aug 2012
Accepted
19 Nov 2012
First published
20 Nov 2012

Catal. Sci. Technol., 2013,3, 952-961

Hematite nanoparticle-templated hollow carbon nanonets supported palladium nanoparticles: preparation and application as efficient recyclable catalysts

M. Zhu, Y. Wang, C. Wang, W. Li and G. Diao, Catal. Sci. Technol., 2013, 3, 952 DOI: 10.1039/C2CY20562A

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