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Keywords:

  • Adhesives;
  • Nanostructures;
  • Patterning, polymers;
  • Template-directed assembly
Thumbnail image of graphical abstract

Structured surfaces with 3D pillars with different geometries resembling those found in biological-attachment devices are microfabricated and their adhesion performance is tested (see figure). This work provides the first experimental evidence of the influence of the contact shape on the adhesion of structured surfaces and paves the road to a better understanding of biological-attachment systems and to optimum designs of artificial analogues.