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Keywords:

  • azide–alkyne cycloaddition;
  • heterogeneous catalysis;
  • microcontact printing;
  • StampCat;
  • surface chemistry
Thumbnail image of graphical abstract

Minting a Stamp: The preparation of copper metal-coated elastomeric stamps and their use in catalyzing the Cu-catalyzed azide–alkyne cycloaddition reaction heterogeneously through microcontact printing is described (see scheme). This StampCat process is compared to other conventional surface-functionalization techniques, including traditional microcontact printing and solution–surface-based reactions.