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    Surface potential of the air/water interface

    Access Status
    Open access via publisher
    Authors
    Nguyen, C.V.
    Nakahara, H.
    Phan, Chi
    Date
    2020
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Nguyen, C.V. and Nakahara, H. and Phan, C.M. 2020. Surface potential of the air/water interface. Journal of Oleo Science. 69 (6): pp. 519-528.
    Source Title
    Journal of Oleo Science
    DOI
    10.5650/jos.ess20024
    ISSN
    1345-8957
    Faculty
    Faculty of Science and Engineering
    School
    WASM: Minerals, Energy and Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/81134
    Collection
    • Curtin Research Publications
    Abstract

    © 2020 by Japan Oil Chemists’ Society. The surface charge/surface potential of the air/water interface plays a key role in many natural and industrial processes. Since the first decade of the 20th century, there are many theoretical proposals to describe the surface charge in the presence of different moieties. However, a complete and consistent description of the interfacial layer remains elusive. More recently, the theoretical frameworks and experimental data get complementary support from the simulation at a molecular level. This paper reviews the recent developments from the theoretical, experimental and simulation aspects. The combined results indicated that the interaction between hydration shells of adsorbed ions and the H-bonds network of surface water plays a critical role in the ionic adsorption. The factor should be incorporated into the conventional theories to correctly predict the ion distribution near the air/water surface.

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