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    Prenucleation clusters and non-classical nucleation

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    Authors
    Gebauer, Denis
    Cölfen, H.
    Date
    2011
    Type
    Journal Article
    
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    Citation
    Gebauer, D. and Cölfen, H. 2011. Prenucleation clusters and non-classical nucleation. Nano Today. 6 (6): pp. 564-584.
    Source Title
    Nano Today
    DOI
    10.1016/j.nantod.2011.10.005
    ISSN
    1748-0132
    School
    Department of Chemistry
    URI
    http://hdl.handle.net/20.500.11937/52632
    Collection
    • Curtin Research Publications
    Abstract

    In this contribution, we review the recent literature on an alternative crystallization pathway involving stable clusters prior to nucleation and show that the prenucleation cluster pathway is a truly non-classical concept of nucleation. Prenucleation clusters are solutes with "molecular" character in aqueous solution. It becomes evident that the stable clusters may have been concealed by the so-called ion pair concept and activity effects. We show that non-classical nucleation via stable prenucleation clusters is a highly valuable concept for a novel understanding of phenomena observed in bio- and biomimetic mineralization, which however may hardly be rationalized by means of classical nucleation theory. The importance to combine experimental and theoretical studies is emphasized. © 2011 Elsevier Ltd.

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