Electro-osmotic diode based on colloidal nano-valves between double membranes
Shihori Koyama,
Daisuke Inoue,
Akihisa Okada
et al.
Abstract:The rectification of electro-osmotic flows is important in micro/nano fluidics applications such as micro-pumps and energy conversion devices. Here, we propose a simple electro-osmotic diode in which colloidal particles are contained between two parallel membranes with different pore densities. While the flow in the forward direction just pushes the colloidal particles toward the highpore-density membrane, the backward flow is blocked by the particles near the low-pore-density membrane, which clog the pores. N… Show more
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