Journal of Colloid and Interface Science 502 (2017) 165–171 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Regular Article The Princess and the Pea Effect: Inﬂuence of the ﬁrst layer on polyelectrolyte multilayer assembly and properties a a,b,⇑ Xuejian Lyu , Amy M. Peterson Department of Mechanical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, MA 01609, United States Department of Chemical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, MA 01609, United States graphical a bstract article i nfo abstract Article history: In many applications of polyelectrolyte multilayers (PEMs), a base polycation layer is adsorbed to pro- Received 8 February 2017 mote adhesion of the PEM to the substrate. In this report, the effect of the ﬁrst polyelectrolyte adsorbed Revised 26 April 2017 in a PEM was investigated by assembling PEMs with ﬁrst layer polycations of different chemistries and Accepted 27 April 2017 molecular weights. In this study, quartz crystal microbalance with dissipation monitoring (QCM-D) Available online 29 April 2017 was used to monitor the PEM assembly process. First layer choice affects the total mass accumulation of the PEM as well as the stoichiometry of the PEM, although linear growth was observed
Journal of Colloid and Interface Science – Elsevier
Published: Sep 15, 2017
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