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Phys Rev Lett. 2006 Mar 24;96(11):114502. doi: 10.1103/PhysRevLett.96.114502. Epub 2006 Mar 23.

Nanoscale fluid flows in the vicinity of patterned surfaces.

Physical review letters

Marek Cieplak, Joel Koplik, Jayanth R Banavar

Affiliations

  1. Institute of Physics, Polish Academy of Sciences, Aleja Lotników 32/46, 02-668 Warsaw, Poland.

PMID: 16605828 DOI: 10.1103/PhysRevLett.96.114502

Abstract

Molecular dynamics simulations of dense and rarefied fluids comprising small chain molecules in chemically patterned nanochannels predict a novel switching from Poiseuille to plug flow along the channel. We also demonstrate behavior akin to the lotus effect for a nanodrop on a chemically patterned substrate. Our results show that one can control and exploit the behavior of fluids at the nanoscale using chemical patterning.

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