A critical assessment of methods for the intrinsic analysis of liquid interfaces. 1. surface site distributions

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Jorge, Miguel and Jedlovszky, Pal and Cordeiro, M. Natalia D. S. (2010) A critical assessment of methods for the intrinsic analysis of liquid interfaces. 1. surface site distributions. Journal of Physical Chemistry C, 114 (25). pp. 11169-11179. ISSN 1932-7447 (https://doi.org/10.1021/jp101035r)

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Abstract

Substantial progress in our understanding of interfacial structure and dynamics has stemmed from the recent development of algorithms that allow for an intrinsic analysis of fluid interfaces. These work by identifying the instantaneous location of the interface, at the atomic level, for each molecular configuration and then computing properties relative to this location. Such a procedure eliminates the broadening of the interface caused by capillary waves and reveals the underlying features of the system. However, a precise definition of which molecules actually belong to the interfacial layer is difficult to achieve in practice. Furthermore, it is not known if the different intrinsic analysis methods are consistent with each other and yield similar results for the interfacial properties. In this paper, we carry out a systematic and detailed comparison of the available methods for intrinsic analysis of fluid interfaces, based on a molecular dynamics simulation of the interface between liquid water and carbon tetrachloride. We critically assess the advantages and shortcomings of each method, based on reliability, robustness, and speed of computation, and establish consistent criteria for determining which molecules belong to the surface layer. We believe this will significantly contribute to make intrinsic analysis methods widely and routinely applicable to interfacial systems.

ORCID iDs

Jorge, Miguel ORCID logoORCID: https://orcid.org/0000-0003-3009-4725, Jedlovszky, Pal and Cordeiro, M. Natalia D. S.;
  • Item type:Article
    ID code:42569
    Dates:
    Date
    Event
    1 July 2010
    Published
    9 June 2010
    Published Online
    Notes:This document is the unedited Author’s version of a Submitted Work that was subsequently accepted for publication in Journal of Physical Chemistry C, copyright © American Chemical Society after peer review. To access the final edited and published work see http://pubs.acs.org/doi/abs/10.1021/jp101035r
    Subjects:Technology > Chemical engineering
    Department:Faculty of Engineering > Chemical and Process Engineering
    Depositing user: Pure Administrator
    Date deposited:15 Jan 2013 15:38
    Last modified:17 Nov 2024 08:04
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/42569
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