Droplet actuation in PPY redox process

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1 Scopus citations

Abstract

This paper presents a reversible manipulation of a dichloromethane (DCM) droplet at low voltages. The mechanism is governed by the reduction-oxidation reaction (redox) of dodecylbenzenesulfonate-doped polypyrrole (PPy) film. The voltages ranging from -0.9V to 0.6V (vs. Ag/AgCl reference) was applied to PPy film to change its reduction and oxidation states to control the shape of DCM droplet. The redox reaction was performed in-situ, and the manipulation of a DCM droplet was monitored using a goniometer. The experimental result in this work shows that the DCM droplet spreads out without an observable change of contact angle, which disagrees with the typical wetting behavior of a liquid droplet.

Original languageEnglish
Title of host publicationNanotechnology 2010
Subtitle of host publicationElectronics, Devices, Fabrication, MEMS, Fluidics and Computational - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010
Pages476-479
Number of pages4
StatePublished - 2010
EventNanotechnology 2010: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational - 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010 - Anaheim, CA, United States
Duration: 21 Jun 201024 Jun 2010

Publication series

NameNanotechnology 2010: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010
Volume2

Conference

ConferenceNanotechnology 2010: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational - 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010
Country/TerritoryUnited States
CityAnaheim, CA
Period21/06/1024/06/10

Keywords

  • Polypyrrole
  • Redox
  • Wettability

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