Article history: Completely homogenous ﬁlms formed via the layer-by-layer assembly of Received 5 September 2015 poly(diallyldimethylammonium chloride) (PDADMAC) and the poly(styrene sulfonate) were suc- Received in revised form 15 January 2016 cessfully obtained on plasma-treated poly(dimethylsiloxane) (PDMS) substrates. To modify the Accepted 16 January 2016 hydrophobicity of the PDMS surface, a cold plasma treatment was previously applied to the membrane, Available online 11 February 2016 which led to the creation of hydrophilic groups on the surface of the membrane. PDMS wettability and surface morphology were successfully correlated with the plasma parameters. A combination of contact Keywords: angle measurements, scanning electron microscopy (SEM) and atomic force microscopy (AFM) analysis Layer-by-layer assembly was used to demonstrate that homogeneous and hydrophilic surfaces could be achieved on PDMS Poly(dimethylsiloxane) (PDMS) cold-plasma-treated membranes. The stability of the assembled PEL layer on the PDMS was evaluated Polymer plasma processing using a combination of pull-off testing and X-ray photoelectron spectroscopy (XPS), which conﬁrmed Polyelectrolyte Surface modiﬁcation the relevance of a plasma pre-treatment as the adhesion of the polyelectrolyte multilayers was greatly enhanced when the deposition was completed on an activated PDMS surface at 80 W for 5 min. © 2016 Elsevier B.V. All rights reserved. 1.
Applied Surface Science – Elsevier
Published: Apr 30, 2016
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