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Evidence of lying molecules in the structure of the most condensed phase of semi-fluorinated alkane monolayers

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Abstract

Semifluorinated alkanes are known to form peculiar nano-structured monolayers on the surface of water. A comprehensive analysis of in situ Grazing Incidence Small Angle X-ray Scattering (GISAXS) proves that the structure of their condensed phase consists of domains of upright molecules surrounded by lying down molecules. Such a model explains the non-coalescence of the domains and is in agreement with the high resolution AFM images of monolayers at the surfaces of solid substrates. The interaction of the lying molecule dipoles with the dipole of the water surface is proposed to explain the observed structuration.

Graphical abstract: Evidence of lying molecules in the structure of the most condensed phase of semi-fluorinated alkane monolayers

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Publication details

The article was received on 05 Oct 2017, accepted on 19 Dec 2017 and first published on 21 Dec 2017


Article type: Paper
DOI: 10.1039/C7NR07415H
Citation: Nanoscale, 2018, Advance Article
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    Evidence of lying molecules in the structure of the most condensed phase of semi-fluorinated alkane monolayers

    P. Fontaine, L. Bardin, M. Fauré, E. J. M. Filipe and M. Goldmann, Nanoscale, 2018, Advance Article , DOI: 10.1039/C7NR07415H

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