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    Shear stress induced fabrication of dandelion-shaped lanthanide phosphate nanoparticles

    Access Status
    Fulltext not available
    Authors
    D'Alonzo, N.
    Eggers, P.
    Eroglu, Ela
    Raston, C.
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    D'Alonzo, N. and Eggers, P. and Eroglu, E. and Raston, C. 2017. Shear stress induced fabrication of dandelion-shaped lanthanide phosphate nanoparticles. Australian Journal of Chemistry. 70 (7): pp. 823-829.
    Source Title
    Australian Journal of Chemistry
    DOI
    10.1071/CH16692
    ISSN
    0004-9425
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/54396
    Collection
    • Curtin Research Publications
    Abstract

    Lanthanide phosphate nanoparticles were co-precipitated under continuous flow in a vortex fluidic device in the presence of polyvinylpyrrolidone (PVP) of different molecular weights and at varying rotational speeds and tilt angles. Dandelionshaped lanthanide phosphate particles were produced at rotation speeds of 5000 rpm and 7000 rpm. In contrast, individual rods formed at 9000 rpm. Transition electron microscope images reveal changes in morphology of the dandelion-shaped nanoparticles with changes in the chain length of PVP or tilt angle of the tube of the vortex fluidic device. These morphological changes are likely to arise from different wrapping and aggregation of the nanoparticles induced by the PVP polymer under shear.

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