Pattern-dependent tunable adhesion of superhydrophobic MnO2 nanostructured film

Langmuir. 2011 Apr 5;27(7):3224-8. doi: 10.1021/la104709d. Epub 2011 Mar 3.

Abstract

Tuning the adhesive force on a superhydrophobic MnO(2) nanostructured film was achieved by fabricating different patterns including meshlike, ball cactus-like, and tilted nanorod structures. The marvelous modulation range of the adhesive forces from 130 to nearly 0 μN endows these superhydrophobic surfaces with extraordinarily different dynamic properties of water droplets. This pattern-dependent adhesive property is attributed to the kinetic barrier difference resulting from the different continuity of the three-interface contact line. This finding will provide the general strategies for the adhesion adjustment on superhydrophobic surfaces.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Kinetics
  • Manganese Compounds / chemistry*
  • Microscopy, Electron, Scanning
  • Nanostructures / chemistry*
  • Nanostructures / ultrastructure
  • Oxides / chemistry*

Substances

  • Manganese Compounds
  • Oxides
  • manganese oxide