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Issue 18, 2017
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A smart surface with switchable wettability by an ionic liquid

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Abstract

Smart control of surface wettability by ionic liquids (ILs) is significant for designing IL-related intelligent materials and devices. Herein, we present mixed molecular brushes comprised of poly(phenylethyl methacrylate) and 1H,1H,2H,2H-perfluorodecyltrimethoxysilane (PPhEtMA-co-PFDMS) grafted surfaces that are capable of dynamically regulating 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([EMIm][NTf2]) wettability. 1H NMR and quartz crystal microbalance characterization demonstrate that the wettability changes result from a temperature-dominated cation–π interaction between [EMIm][NTf2] and PPhEtMA-co-PFDMS brushes.

Graphical abstract: A smart surface with switchable wettability by an ionic liquid

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Publication details

The article was received on 13 Jan 2017, accepted on 08 Feb 2017 and first published on 10 Feb 2017


Article type: Paper
DOI: 10.1039/C7NR00304H
Citation: Nanoscale, 2017,9, 5822-5827
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    A smart surface with switchable wettability by an ionic liquid

    L. Chang, H. Liu, Y. Ding, J. Zhang, L. Li, X. Zhang, M. Liu and L. Jiang, Nanoscale, 2017, 9, 5822
    DOI: 10.1039/C7NR00304H

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