DOI > 10.5291/ILL-DATA.9-11-1749

This proposal is publicly available since 11/23/2020

Title

Water density profile at a hydrophobic - water interface investigated by neutron reflectivity

Abstract

It is planned to investigate the aqueous interface of smooth hydrophobic polymer-coated substrates by neutron reflectivity. The water density profile determination will allow the hydrophobic water gap to be characterized both in terms of spatial extent and of nature (a dewetted region, a depleted region with water reduced density, or a precursor gas region?). In particular the effects of dissolved gasses (inert or non polar such as Ar, N2, CO2, or polar such as CO) in the water will allow insights to be gained.

Experimental Report

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Data Citation

The recommended format for citing this dataset in a research publication is in the following format:

KEKICHEFF Patrick; charitat; FRAGNETO Giovanna and GUTFREUND Philipp. (2015). Water density profile at a hydrophobic - water interface investigated by neutron reflectivity. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-11-1749

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Metadata

Experiment Parameters

  • Environment temperature

    Room temperature
  • Experiment energy

    2-20 Å
  • Experiment moment

    0.008 - 0.3 Å-1
  • Experiment res energy

    2-5 %
  • Experiment res moment

    2-5 %

Sample Parameters

  • Formula

    • Poly(Ethyl-Methacrylate)