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Issue 10, 2014
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Bare magnetic nanoparticles: sustainable synthesis and applications in catalytic organic transformations

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Abstract

Magnetic nanoparticles have become increasingly attractive in the field of catalysis over the last decade as they combine interesting reactivity with an easy, economical and environmentally benign mode of recovery. Early strategies focused on the use of such nanoparticles as a vehicle for supporting other catalytic nanomaterials or molecules to facilitate recovery. More recently, research has shown that bare magnetic nanoparticles may serve the dual role of a catalyst and a magnetically recoverable entity. At the same time, emerging sustainability concepts emphasize the utility of earth abundant and less toxic resources, especially iron. Herein, we review the recent progress made in the assembly of such systems and their direct application in catalysis. Examples of such bare nanoparticles include iron oxide (Fe2O3 and Fe3O4), metal ferrites (MFe2O4, M = Cu, Co and Ni), Fe(0), Co(0), Ni(0), and multi-component nanoparticles. Features such as reactivity, recoverability and leaching are discussed in a critical fashion.

Graphical abstract: Bare magnetic nanoparticles: sustainable synthesis and applications in catalytic organic transformations

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Publication details

The article was received on 10 Mar 2014, accepted on 17 Jun 2014 and first published on 17 Jun 2014


Article type: Tutorial Review
DOI: 10.1039/C4GC00418C
Author version available: Download Author version (PDF)
Citation: Green Chem., 2014,16, 4493-4505
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    Bare magnetic nanoparticles: sustainable synthesis and applications in catalytic organic transformations

    R. Hudson, Y. Feng, R. S. Varma and A. Moores, Green Chem., 2014, 16, 4493
    DOI: 10.1039/C4GC00418C

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