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

[Image: see text] 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 H(2)O and D(2)O, we vary the strength of th...

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Autores principales: Smit, Wilbert J., Versluis, Jan, Backus, Ellen H. G., Bonn, Mischa, Bakker, Huib J.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2018
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5857927/
https://www.ncbi.nlm.nih.gov/pubmed/29481753
http://dx.doi.org/10.1021/acs.jpclett.7b03359
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author Smit, Wilbert J.
Versluis, Jan
Backus, Ellen H. G.
Bonn, Mischa
Bakker, Huib J.
author_facet Smit, Wilbert J.
Versluis, Jan
Backus, Ellen H. G.
Bonn, Mischa
Bakker, Huib J.
author_sort Smit, Wilbert J.
collection PubMed
description [Image: see text] 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 H(2)O and D(2)O, 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.
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spelling pubmed-58579272018-03-20 Reduced Near-Resonant Vibrational Coupling at the Surfaces of Liquid Water and Ice Smit, Wilbert J. Versluis, Jan Backus, Ellen H. G. Bonn, Mischa Bakker, Huib J. J Phys Chem Lett [Image: see text] 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 H(2)O and D(2)O, 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. American Chemical Society 2018-02-26 2018-03-15 /pmc/articles/PMC5857927/ /pubmed/29481753 http://dx.doi.org/10.1021/acs.jpclett.7b03359 Text en Copyright © 2018 American Chemical Society This is an open access article published under a Creative Commons Non-Commercial No Derivative Works (CC-BY-NC-ND) Attribution License (http://pubs.acs.org/page/policy/authorchoice_ccbyncnd_termsofuse.html) , which permits copying and redistribution of the article, and creation of adaptations, all for non-commercial purposes.
spellingShingle Smit, Wilbert J.
Versluis, Jan
Backus, Ellen H. G.
Bonn, Mischa
Bakker, Huib J.
Reduced Near-Resonant Vibrational Coupling at the Surfaces of Liquid Water and Ice
title Reduced Near-Resonant Vibrational Coupling at the Surfaces of Liquid Water and Ice
title_full Reduced Near-Resonant Vibrational Coupling at the Surfaces of Liquid Water and Ice
title_fullStr Reduced Near-Resonant Vibrational Coupling at the Surfaces of Liquid Water and Ice
title_full_unstemmed Reduced Near-Resonant Vibrational Coupling at the Surfaces of Liquid Water and Ice
title_short Reduced Near-Resonant Vibrational Coupling at the Surfaces of Liquid Water and Ice
title_sort reduced near-resonant vibrational coupling at the surfaces of liquid water and ice
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5857927/
https://www.ncbi.nlm.nih.gov/pubmed/29481753
http://dx.doi.org/10.1021/acs.jpclett.7b03359
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