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Issue 30, 2018
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Structure and properties of polydisperse polyelectrolyte brushes studied by self-consistent field theory

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Abstract

Two complementary self-consistent field theoretical approaches are used to analyze the equilibrium structure of binary and ternary brushes of polyions with different degrees of polymerization. Stratification in binary brushes is predicted: the shorter chains are entirely embedded in the proximal sublayer depleted of end-points of longer chains while the peripheral sublayer contains exclusively terminal segments of longer chains. The boundary between sublayers is enriched with counterions that neutralize the residual charge of the proximal sublayer. These analytical predictions for binary brushes are confirmed and extended to ternary brushes using the numerical Scheutjens–Fleer approach.

Graphical abstract: Structure and properties of polydisperse polyelectrolyte brushes studied by self-consistent field theory

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Publication details

The article was received on 03 Jun 2018, accepted on 22 Jun 2018 and first published on 20 Jul 2018


Article type: Paper
DOI: 10.1039/C8SM01138A
Citation: Soft Matter, 2018,14, 6230-6242
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    Structure and properties of polydisperse polyelectrolyte brushes studied by self-consistent field theory

    B. M. Okrugin, R. P. Richter, F. A. M. Leermakers, I. M. Neelov, O. V. Borisov and E. B. Zhulina, Soft Matter, 2018, 14, 6230
    DOI: 10.1039/C8SM01138A

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