Ambient conditions disordered-ordered phase transition of two-dimensional interfacial water molecules dependent on charge dipole moment

Chunlei Wang, Chonghai Qi, Yusong Tu, Xuechuan Nie, and Shanshan Liang
Phys. Rev. Materials 3, 065602 – Published 3 June 2019
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Abstract

Phase transitions of water molecules are commonly expected to occur only under extreme conditions, such as nanoconfinement, high pressure, or low temperature. We herein report the disordered-ordered phase transition of two-dimensional interfacial water molecules under ambient conditions using molecular-dynamics simulations. This phase transition is greatly dependent on the charge dipole moment, production of both charge values, and the dipole length of the solid surface. The phase transition can be identified by a sharp change in water-water interaction energies and the order parameters of the two-dimensional interfacial water monolayer, under a tiny dipole moment change near the critical dipole moment. The critical dipole moment of the solid material surface can classify a series of materials that can induce distinct ordered phases of surface water, which may also result in surface wetting, friction, and other properties.

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  • Received 18 July 2018

DOI:https://doi.org/10.1103/PhysRevMaterials.3.065602

©2019 American Physical Society

Physics Subject Headings (PhySH)

Statistical Physics & ThermodynamicsPolymers & Soft Matter

Authors & Affiliations

Chunlei Wang1,2,5,*, Chonghai Qi1,3, Yusong Tu4, Xuechuan Nie1, and Shanshan Liang1

  • 1Division of Interfacial Water and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
  • 3School of Physics, Shandong University, Jinan 250100, China
  • 4College of Physics Science and Technology, Yangzhou University, Yangzhou 225009, China
  • 5Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, USA

  • *wangchunlei@sinap.ac.cn

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Vol. 3, Iss. 6 — June 2019

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