Sub-Micron Patterning of Polymer Brushes: An Unexpected Discovery from Inkjet Printing of Polyelectrolyte Macroinitiators

Adam Valentine Sheridan Parry, Alexander J. Straub, Eva M Villar-Alvarez, Takdanai Phuengphol, Jonathan E. R. Nicoll, Xavier Lim W. K, Lianne M. Jordan, Katie Moore, Pablo Taboada, Stephen Yeates, Stephen Edmondson

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    Abstract

    Using an electrostatic-based super inkjet printer
    we report the high-resolution deposition of polyelectrolyte macroinitators
    and subsequent polymer brush growth using SIARGET-
    ATRP. We go on to demonstrate for the first time a submicron
    patterning phenomenon through the addition of either a
    like charged polyelectrolyte homopolymer or through careful
    control of ionic strength. As a result patterning of polymer brushes
    down to ca. 300 nm is reported. We present a possible mechanistic
    model and consider how this may be applied to other polyelectrolyte-
    based systems as a general method for sub-micron
    patterning.
    Original languageEnglish
    Pages (from-to)9009-9012
    Number of pages4
    JournalJournal of the American Chemical Society
    Volume138
    Issue number29
    Early online date11 Jul 2016
    DOIs
    Publication statusPublished - 27 Jul 2016

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