Hydrophobic Surface Enhances Electrostatic Interaction in Water

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

研究成果: Article査読

18 被引用数 (Scopus)

抄録

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.

本文言語English
論文番号206002
ジャーナルPhysical Review Letters
121
20
DOI
出版ステータスPublished - 2018 11 15

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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