Work

Reduced Near-Resonant Vibrational Coupling at the Surfaces of Liquid Water and Ice

Year: 2018

Type: article

Abstract: We study the resonant interaction of the OH stretch vibrations of water molecules at the surfaces of liquid water and ice using heterodyne-detected sum-frequency generation (HD-SFG) spectroscopy. By studying different isotopic mixtures of H2O and D2O, we vary the strength of the interaction, and we monitor the resulting effect on the HD-SFG spectrum of the OH stretch vibrations. We observe that the near-resonant coupling effects are weaker at the surface than in the bulk, for both water and ice, indicating that for both phases of water the OH vibrations are less strongly delocalized at the surface than in the bulk.

Source: The Journal of Physical Chemistry Letters

DOI: 10.1021/acs.jpclett.7b03359

Authors: Wilbert J. Smit, Jan Versluis, Ellen H. G. Backus, Mischa Bonn, Huib J. Bakker

Institutions: Université Paris Sciences et Lettres, Institute for Atomic and Molecular Physics, Chimie Biologie Innovation, ESPCI Paris, Max Planck Institute for Polymer Research

Language: English

Topic: Spectroscopy and Quantum Chemical Studies

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: hybrid

Estimated APC paid: $4,500

Funder: Nederlandse Organisatie voor Wetenschappelijk Onderzoek