Journal
RSC ADVANCES
Volume 5, Issue 108, Pages 88567-88573Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra14665h
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Funding
- Council of Scientific and Industrial Research (CSIR)
- Centre National de la Recherche Scientifique (CNRS)
- Lille1 University
- Nord Pas de Calais region
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A magnetically separable hybrid material consisting of Co3O4 nanoparticles supported on reduced graphene oxide (Co3O4/rGO) was synthesized through a simple co-reduction process of graphene oxide (GO) and cobalt chloride (CoCl2) using sodium borohydride (NaBH4). The Co3O4/rGO heterogeneous catalyst exhibited a high-performance for the oxidative esterification of aldehydes to the corresponding methyl esters using tert-butyl hydroperoxide (TBHP) as an oxidant. Owing to the synergistic effect of rGO support, the hybrid catalyst exhibited superior catalytic activity to the corresponding cobalt oxide catalyst. Importantly, the synthesized hybrid possesses good magnetic properties, which enable facile recovery of the catalyst by using an external magnet.
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