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Issue 5, 2013
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Nickel nanocrystals: fast synthesis of cubes, pyramids and tetrapods

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Abstract

We report the use of organometallic precursors in microwave and microfluidic reactors to synthesize Ni nanoparticles of various shapes: spheres, cubes, trigonal pyramids and tetrapods. Each route has the ability to yield a preferential shape based on kinetic control of crystal growth. Tetrapods are obtained only in a microfluidic reactor. Trigonal pyramids crystallize in the metastable hexagonally close-packed (HCP) phase while spheres, cubes and tetrapods crystallize in the thermodynamically stable face-centred cubic (FCC) phase. The magnetic properties of nanocubes (in particular the magnetic coercive field) are found to be greatly enhanced compared to bulk and previous examples of nanostructured Ni materials.

Graphical abstract: Nickel nanocrystals: fast synthesis of cubes, pyramids and tetrapods

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Publication details

The article was received on 03 Sep 2012, accepted on 19 Nov 2012 and first published on 21 Nov 2012


Article type: Paper
DOI: 10.1039/C2RA22024E
Citation: RSC Adv., 2013,3, 1380-1387
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    Nickel nanocrystals: fast synthesis of cubes, pyramids and tetrapods

    M. Shviro and D. Zitoun, RSC Adv., 2013, 3, 1380
    DOI: 10.1039/C2RA22024E

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