Droplet Movement Induced by Nano Assembled Molecules And Micro Textures

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This paper introduces a droplet movement method on top of a surface prepared by gradient nano-scale self-assembled molecules on micro sized textures. Experimental results demonstrate the contact angles on hydrophobic surfaces without/with micro posts increase from 110o to 143o while on the hydrophilic surfaces decrease from 56.7o to 12.4o As a result, the droplet moving speed is increased around twice on the gradient SAM surface with micro structures than that with only SAM gradient.

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Journal: TechConnect Briefs
Volume: 1, Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, Volume 1
Published: March 7, 2004
Pages: 304 - 307
Industry sectors: Advanced Materials & Manufacturing | Sensors, MEMS, Electronics
Topics: Micro & Bio Fluidics, Lab-on-Chip
ISBN: 0-9728422-7-6