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Issue 6, 2011
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Microwave-assisted synthesis of icosahedral nickel nanocrystals

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Abstract

Nickel nanocrystals with icosahedral morphologies have been successfully synthesised using a microwave-assisted irradiation method. Nickel acetylacetonate was used as the metal precursor, while sodium formate and trioctylphosphine oxide were employed as the reducing agent and capping ligands, respectively. The nanocrystals, with a mean diameter of 237 ± 43 nm, exhibited enhanced ferromagnetic behaviour at room temperature compared to bulk nickel, with coercivities of up to 164 Oe and saturation magnetisation values of up to 46 emu g−1, due to their icosahedral morphologies.

Graphical abstract: Microwave-assisted synthesis of icosahedral nickel nanocrystals

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Publication details

The article was received on 22 Oct 2010, accepted on 30 Nov 2010 and first published on 04 Jan 2011


Article type: Paper
DOI: 10.1039/C0CE00759E
Citation: CrystEngComm, 2011,13, 2023-2028

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    Microwave-assisted synthesis of icosahedral nickel nanocrystals

    K. P. Donegan, J. F. Godsell, J. M. Tobin, J. P. O'Byrne, D. J. Otway, M. A. Morris, S. Roy and J. D. Holmes, CrystEngComm, 2011, 13, 2023
    DOI: 10.1039/C0CE00759E

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