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Keywords:

  • Patterning, surface;
  • Polydimethylsiloxane;
  • Polymeric materials;
  • Thin films, microstructured
Thumbnail image of graphical abstract

Buckle-driven delamination and subsequent collapse of strained thin polymer films upon triggered release from the substrate is exploited to fabricate striking, well-defined ridging patterns (see figure). An analysis of these patterns is presented, including the effects of film thickness and the exterior shape of these “quasi-2D” polymer objects.