A smart surface with switchable wettability by an ionic liquid

Li Chang; Hongliang Liu; Yi Ding; Jiajing Zhang; Li Li; Xiqi Zhang; Mingzhu Liu; Lei Jiang

doi:10.1039/c7nr00304h

A smart surface with switchable wettability by an ionic liquid

Li Chang, Hongliang Liu, Yi Ding, Jiajing Zhang, Li Li, Xiqi Zhang, Mingzhu Liu, Lei Jiang

Research output: Contribution to journal › Article › Research › peer-review

28 Citations (Scopus)

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.

Original language	English
Pages (from-to)	5822-5827
Number of pages	6
Journal	Nanoscale
Volume	9
Issue number	18
DOIs	https://doi.org/10.1039/c7nr00304h
Publication status	Published - 14 May 2017
Externally published	Yes

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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.",

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AU - Chang, Li

AU - Liu, Hongliang

AU - Ding, Yi

AU - Zhang, Jiajing

AU - Li, Li

AU - Zhang, Xiqi

AU - Liu, Mingzhu

AU - Jiang, Lei

PY - 2017/5/14

Y1 - 2017/5/14

N2 - 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.

AB - 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.

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A smart surface with switchable wettability by an ionic liquid

Abstract

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