Synchrotron FTIR Microscopy of Langmuir-Blodgett Monolayers and Polyelectrolyte Multilayers at the Solid-Solid Interface

David Beattie, Audrey Beaussart, A. Mierczynska-Vasilev, Sarah Harmer, Benjamin Thierry, Liljana Puskar, Mark Tobin

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    Abstract

    Synchrotron FTIR microscopy has been used to probe the structure of model boundary lubricant layers confined at the solid-solid interface. The combination of high brightness of the IR source and a novel contact geometry that uses a hemispherical internal reflection element as the means for light delivery has enabled the detection of <2.5 nm thin monolayer lubricant layers in the solid-solid contact, in addition to allowing for spectral acquisition from specific regions of the contact. Spectra of hydration water from within a confined polyelectrolyte multilayer film have also been acquired, highlighting the altered hydrogen bonding environment within the polymer layer.

    Original languageEnglish
    Pages (from-to)1683-1688
    Number of pages6
    JournalLangmuir
    Volume28
    Issue number3
    DOIs
    Publication statusPublished - 2012

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    Beattie, D., Beaussart, A., Mierczynska-Vasilev, A., Harmer, S., Thierry, B., Puskar, L., & Tobin, M. (2012). Synchrotron FTIR Microscopy of Langmuir-Blodgett Monolayers and Polyelectrolyte Multilayers at the Solid-Solid Interface. Langmuir, 28(3), 1683-1688. https://doi.org/10.1021/la2045543