Superhydrophobic behavior of a perfluoropolyether lotus-leaf-like topography

Langmuir. 2006 Sep 26;22(20):8576-80. doi: 10.1021/la061400o.

Abstract

We demonstrate the fabrication of 2-D arrays of nanopillars made from perfluoropolyether derivatives using a porous anodic aluminum oxide membrane as a template. Pretexturing the aluminum prior to anodization enables one to engineer multiple morphological length scales and thereby synthesize a lotus-leaf-like topography. Both nanopillars on a flat surface and on a lotus-leaf-like topology exhibit superhydrophobicity, low contact angle hysteresis, and self-cleaning.

Publication types

  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Aluminum Oxide / chemistry*
  • Ethers / chemistry*
  • Fluorocarbons / chemistry*
  • Hydrophobic and Hydrophilic Interactions
  • Membranes, Artificial*
  • Microscopy, Electron, Scanning
  • Nanostructures / chemistry*
  • Nanostructures / ultrastructure

Substances

  • Ethers
  • Fluorocarbons
  • Membranes, Artificial
  • perfluoropolyether
  • Aluminum Oxide