Oscillating Surfaces Fueled by a Continuous AC Electric Field

Fabian L.L. Visschers, Hubert Gojzewski, G. Julius Vancso, Dirk J. Broer, Danqing Liu*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Recent developments in soft matter science provide options to add mobility and motility to polymer films and surfaces. Restrictively, the dynamics in these materials are modulated by a pulsated trigger and the route to autonomous dynamics is still a most intriguing challenge. Here, is the design of a self-sustaining oscillating surface is reported that is fueled by a continuous AC electric field without an intermittent on–off switch. The underlying principle is based on the polarity inversion over the poly(dimethyl siloxane) layer with a 10 nm thick silicon oxide top layer by an integrated tri-electrode structure connected to an alternating power source. In absence of the electric signal, the coating surface is flat. By applying an AC field, the surface corrugates into a sinusoidal morphology and starts oscillating to develop a continuous standing wave. Typically, the oscillation frequency is 0–5 Hz and the modulation depth is 150 nm. The topographical dynamics are analyzed in terms of viscoelastic materials properties and actuation kinetics and are supported by finite element calculations.

Original languageEnglish
Article number1901292
JournalAdvanced materials interfaces
Volume6
Issue number21
Early online date16 Sep 2019
DOIs
Publication statusPublished - 8 Nov 2019

Fingerprint

Electric fields
Silicon oxides
Polymer films
Materials properties
Switches
Modulation
Coatings
Electrodes
Kinetics

Keywords

  • UT-Hybrid-D
  • dielectric elastomers
  • dynamic surface topographies
  • oscillating waves
  • tri-electrode configurations
  • AC electric fields

Cite this

Visschers, Fabian L.L. ; Gojzewski, Hubert ; Vancso, G. Julius ; Broer, Dirk J. ; Liu, Danqing. / Oscillating Surfaces Fueled by a Continuous AC Electric Field. In: Advanced materials interfaces. 2019 ; Vol. 6, No. 21.
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abstract = "Recent developments in soft matter science provide options to add mobility and motility to polymer films and surfaces. Restrictively, the dynamics in these materials are modulated by a pulsated trigger and the route to autonomous dynamics is still a most intriguing challenge. Here, is the design of a self-sustaining oscillating surface is reported that is fueled by a continuous AC electric field without an intermittent on–off switch. The underlying principle is based on the polarity inversion over the poly(dimethyl siloxane) layer with a 10 nm thick silicon oxide top layer by an integrated tri-electrode structure connected to an alternating power source. In absence of the electric signal, the coating surface is flat. By applying an AC field, the surface corrugates into a sinusoidal morphology and starts oscillating to develop a continuous standing wave. Typically, the oscillation frequency is 0–5 Hz and the modulation depth is 150 nm. The topographical dynamics are analyzed in terms of viscoelastic materials properties and actuation kinetics and are supported by finite element calculations.",
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Oscillating Surfaces Fueled by a Continuous AC Electric Field. / Visschers, Fabian L.L.; Gojzewski, Hubert; Vancso, G. Julius; Broer, Dirk J.; Liu, Danqing.

In: Advanced materials interfaces, Vol. 6, No. 21, 1901292, 08.11.2019.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Oscillating Surfaces Fueled by a Continuous AC Electric Field

AU - Visschers, Fabian L.L.

AU - Gojzewski, Hubert

AU - Vancso, G. Julius

AU - Broer, Dirk J.

AU - Liu, Danqing

N1 - Wiley deal

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