Functional and Switchable Amphiphilic PMMA Surface Prepared by 3D Selective Modification

Olga Guselnikova, Pavel Postnikov, Petr Sajdl, Roman Elashnikov, Vaclav Švorčík, Oleksiy Lyutakov

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The design and creation of switchable amphiphilicity on the surface of thin poly(methylmethacrylate) (PMMA) films are described. Amphiphilic properties are achieved through the 3D surface spatially selective modification using the membrane-assisted diazonium approach. Proposed technique allows simple grafting with the hydrophilic and hydrophobic compounds in the surface valleys or tops, depending on the order of modification steps. Thermally controllable hydro- and oleophilicity are achieved by the in-plane and height distinguished grafting of PMMA films with bis(trifluoromethyl)phenyl and poly(N-isopropylacrylamide) chains. Sample surface at different stages of the modification is characterized by the X-ray photoelectron spectroscopy (XPS), Fourier-transform infrared spectroscopy (FTIR), confocal microscopy, scanning electron microscopy–energy dispersive spectroscopy, and atomic force microscopy (AFM). Also the range of temperature-dependent wettability tests (with water, hexadecane, and ethyleneglycol) is performed. The temperature controlled amphiphilicity switching is proved to be fully reversible and proceeding in seconds.

Original languageEnglish
Article number1701182
JournalAdvanced Materials Interfaces
Volume5
Issue number4
DOIs
Publication statusPublished - 22 Feb 2018

Fingerprint

Confocal microscopy
Fourier transform infrared spectroscopy
Wetting
Atomic force microscopy
X ray photoelectron spectroscopy
Spectroscopy
Membranes
Scanning
Temperature
Electrons
Water

Keywords

  • 3D chemical pattering
  • diazonium surface grafting
  • membrane-assisted
  • smart surface
  • triggerable amphiphilicity

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Functional and Switchable Amphiphilic PMMA Surface Prepared by 3D Selective Modification. / Guselnikova, Olga; Postnikov, Pavel; Sajdl, Petr; Elashnikov, Roman; Švorčík, Vaclav; Lyutakov, Oleksiy.

In: Advanced Materials Interfaces, Vol. 5, No. 4, 1701182, 22.02.2018.

Research output: Contribution to journalArticle

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