Nanotech 2004 Vol. 1
Nanotech 2004 Vol. 1
Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, Volume 1

Micro Fluidics and Nanoscale Transport Chapter 7

Droplet Movement Induced by Nano Assembled Molecules And Micro Textures

Authors: F-G Tseng and S.C. Chien

Affilation: National Tsing Hua University, ESS Dept., Taiwan

Pages: 304 - 307

Keywords: SAMs, droplet manipulation, hydrophobicity gradient

Abstract:
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.


ISBN: 0-9728422-7-6
Pages: 521
Hardcopy: $79.95

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