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Keywords:

  • nanomembranes;
  • rolled-up nanotechnology;
  • nanomotors;
  • nanoengines
Thumbnail image of graphical abstract

Surface tension of self-assembled metal nanodroplets can be applied to overcome the deformation barriers of strain-engineered nanomembranes and produce extremely nanoscale tubes. Aggregated nanoparticles stress nanomembranes and subsequently integrate on the walls of rolled-up nanotubes, which can speed up the tubular engines owing to the enhanced electrocatalytic activity.