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Robust hydrophobic gold, glass and polypropylene surfaces obtained through a nanometric covalently bound organic layer

Abstract : The (electro)chemical grafting of a polyfluorinated calix[4]arene on gold, polypropylene and glass is reported. The modified surfaces were characterized by ellipsometry, atomic force microscopy (AFM), and by X-ray photoelectron spectroscopy (XPS). A nanometric, robust and uniform monolayer of covalently surface-bound calix[4]arenes was obtained on the three different materials. For all surfaces, contact angles higher than 110° were recorded, highlighting the hydrophobic character given by this ∼2 nm thin organic monolayer. Remarkably, the contact angle values remained unchanged after 18 months under a laboratory atmosphere. The results presented herein thus present an attractive and sustainable strategy for bringing hydrophobic properties to the interface of a wide range of materials. This journal is © The Royal Society of Chemistry.
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Submitted on : Monday, May 11, 2020 - 4:00:24 PM
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A. Mattiuzzi, L. Troian-Gautier, J. Mertens, F. Reniers, Jean-François Bergamini, et al.. Robust hydrophobic gold, glass and polypropylene surfaces obtained through a nanometric covalently bound organic layer. RSC Advances, Royal Society of Chemistry, 2020, 10 (23), pp.13553-13561. ⟨10.1039/d0ra01011a⟩. ⟨hal-02569852⟩

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