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Keywords:

  • wearable electronics;
  • nanogenerators;
  • poly(vinylidene fluoride) (PVDF);
  • ZnO nanowires;
  • energy harvesting
Thumbnail image of graphical abstract

A hybrid-fiber nanogenerator comprising a ZnO nanowire array, PVDF polymer and two electrodes is presented. Depending on the bending or spreading action of the human arm, at an angle of ∼90°, the hybrid fiber reaches electrical outputs of ∼0.1 V and ∼10 nA cm−2. The unique structure of the hybrid fiber may inspire future research in wearable energy-harvesting technology.