Dual-scale roughness produces unusually water-repellent surfaces

Neil Shirtcliffe, Glen McHale, Michael Newton, Gregoire Chabrol, Carole Perry

Research output: Contribution to journalArticlepeer-review

491 Citations (Scopus)
8 Downloads (Pure)


Super-hydrophobicity can be achieved on relatively smooth surfaces. Short, wide pillars on slightly rough surfaces are shown to produce super-hydrophobic surfaces (see Figure) where neither the pillars nor the slight roughness suffice alone. This use of two length scales to create super-hydrophobic surfaces directly mimics the mechanism used by some plants including the lotus.
Original languageEnglish
Pages (from-to)1929-1932
JournalAdvanced Materials
Issue number21
Publication statusPublished - 4 Nov 2004


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