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    Mechanochemical synthesis of amorphous silicon nanoparticles

    199576_199576.pdf (1.020Mb)
    Access Status
    Open access
    Authors
    Chaudhary, A.
    Sheppard, Drew
    Paskevicius, Mark
    Saunders, M.
    Buckley, Craig
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Chaudhary, A. and Sheppard, D. and Paskevicius, M. and Saunders, M. and Buckley, C. 2014. Mechanochemical synthesis of amorphous silicon nanoparticles. RSC Advances. 4 (42): pp. 21979-21983.
    Source Title
    RSC Advances
    DOI
    10.1039/c3ra47431c
    ISSN
    20462069
    URI
    http://hdl.handle.net/20.500.11937/20939
    Collection
    • Curtin Research Publications
    Abstract

    Silicon nanoparticles have been synthesised using mechanochemical ball milling and an inert salt buffer to limit the growth and control the size of the Si particles produced. The solid-liquid metathesis reaction used silicon tetrachloride and lithium with LiCl as the buffer to generate Si nanoparticles. Once the LiCl was removed, X-ray amorphous Si was identified using electron energy loss spectra, at 99 eV and energy filtered transmission electron microscopy. The morphological analysis showed spherical like particles with an average size between 10 – 30 nm depending on the amount of salt buffer phase added to the reactants. This synthesis method can be used to produce very small Si particles in tuneable sizes for a wide range of applications.

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