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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, published on 10 Feb 2017 and first published online on 10 Feb 2017


Article type: Paper
DOI: 10.1039/C7NR00304H
Citation: Nanoscale, 2017, Advance Article
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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, Advance Article , DOI: 10.1039/C7NR00304H

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