Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Molecular Dynamics Simulation Study on the Wetting Behavior of a Graphite Surface Textured with Nanopillars

  • Saha, Joyanta K. (Department of Nanomaterials Engineering, Pusan National University) ;
  • Matin, Mohammad A. (Department of Nanomaterials Engineering, Pusan National University) ;
  • Jang, Jihye (Department of Nanomaterials Engineering, Pusan National University) ;
  • Jang, Joonkyung (Department of Nanomaterials Engineering, Pusan National University)
  • Received : 2012.12.03
  • Accepted : 2013.01.08
  • Published : 2013.04.20
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Abstract

Molecular dynamic simulations were performed to examine the wetting behavior of a graphite surface textured with nanoscale pillars. The contact angle of a water droplet on parallelepiped or dome-shaped pillars was investigated by systematically varying the height and width of the pillar and the spacing between pillars. An optimal inter-pillar spacing that gives the highest contact angle was found. The droplet on the dome-covered surface was determined to be more mobile than that on the surface covered with parallelepiped pillars.

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References

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