A conductive liquid-based surface acoustic wave device

Jeonghun Nam, Chae Seung Lim

Research output: Contribution to journalArticle

11 Citations (Scopus)


Surface acoustic wave-based microfluidic devices are popular for fluid and particle manipulation because of their noninvasiveness, low energy consumption, and easy integration with other systems. However, they have been limited by the use of patterned metal electrodes on a piezoelectric substrate, which requires expensive and complicated fabrication processes. Herein, we show a simpler and more cost-effective method for generating surface acoustic waves using eutectic gallium indium as a conductive liquid which can replace conventional patterned metal electrodes. We also demonstrate the comparable performance for acoustic streaming and mixing using conductive liquid-based surface acoustic wave devices.

Original languageEnglish
Pages (from-to)3750-3755
Number of pages6
JournalLab on a Chip - Miniaturisation for Chemistry and Biology
Issue number19
Publication statusPublished - 2016


ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Biochemistry
  • Biomedical Engineering

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