Manipulation of aqueous droplets in two-phase flow system using patterned surface wettability

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This work reports the fabrication and experimentation of microfluidic systems with patterned surface wettability. The system is fabricated from two components; a cyclic olefin copolymer (COC) substrate and a Polydimethylsiloxane (PDMS) element that includes a microchannel. The wettability of the COC substrate is altered using standard microfabrication processes. Graphene oxide hydrophilic film is patterned on the surface of the hydrophobic COC substrate using plasma-enhanced liftoff approach. The device is used to manipulate dye-water droplets dispersed in silicone oil. The movement of the water droplets inside the device is found to be influenced by the GO film patterned inside the channel.

Original languageBritish English
Title of host publicationProceedings of MARSS 2020
Subtitle of host publicationInternational Conference on Manipulation, Automation, and Robotics at Small Scales
EditorsSinan Haliyo, Mokrane Boudaoud, Albert Sill, Sergej Fatikow
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728193496
DOIs
StatePublished - 13 Jul 2020
Event2020 International Conference on Manipulation, Automation, and Robotics at Small Scales, MARSS 2020 - Toronto, Canada
Duration: 13 Jul 202017 Jul 2020

Publication series

NameProceedings of MARSS 2020: International Conference on Manipulation, Automation, and Robotics at Small Scales

Conference

Conference2020 International Conference on Manipulation, Automation, and Robotics at Small Scales, MARSS 2020
Country/TerritoryCanada
CityToronto
Period13/07/2017/07/20

Keywords

  • COC
  • droplet manipulation
  • graphene oxide
  • patterned wettability
  • surface modification

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