Hydrophobic Surface Enhances Electrostatic Interaction in Water

Takato Sato, Tohru Sasaki, Jun Ohnuki, Koji Umezawa, Mitsunori Takano

    研究成果: Article

    10 引用 (Scopus)

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    A high dielectric constant is one of the peculiar properties of liquid water, indicating that the electrostatic interaction between charged substances is largely reduced in water. We show by molecular dynamics simulation that the dielectric constant of water is decreased near the hydrophobic surface. We further show that the decrease in the dielectric constant is due to both the decreased water density and the reduced water dipole correlation in the direction perpendicular to the surface. We finally demonstrate that electrostatic interaction in water is actually strengthened near the hydrophobic surface.

    元の言語English
    記事番号206002
    ジャーナルPhysical Review Letters
    121
    発行部数20
    DOI
    出版物ステータスPublished - 2018 11 15

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    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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