Nano Science and Technology Institute
Nanotech 2009 Vol. 3
Nanotech 2009 Vol. 3
Nanotechnology 2009: Biofuels, Renewable Energy, Coatings, Fluidics and Compact Modeling
Chapter 8: Micro and Nano Fluidics

A Solid Electrolyte Valve for Micro/Nano-fluidics

Authors:Y. Yang, X. Zhang, M.N. Kozicki, J. Chae
Affilation:Arizona State University, US
Pages:525 - 528
Keywords:micro/nano-fluidic valve, silver nano-electrodeposits, MEMS
Abstract:This paper describes recent work on a valve to regulate liquid flow in micro/nano-fluidic channels using electrodeposited nanostructures on a solid-state AgGeSe electrolyte. The valve utilizes the extremely rough surface morphology of the electrodeposits to manipulate hydrophobicity. Electrodeposited nanostructures can be grown and retracted on the electrolyte surface by applying voltages between 5 and 15V at room temperature. The deposits are only a few hundred nm tall and yet are sufficient to block fluid flow in ~25m tall/500m wide channels.
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