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Keywords:

  • energy harvesting;
  • nano-generators;
  • piezoelectrics;
  • silicon nanowires;
  • ZnO nanowires

Graphical Abstract

Thumbnail image of graphical abstract

The present paper focuses on the basic science of the energy harvesting mechanism proposed in the literature to explain how ZnO nanowire-based generators operate. It tries to unveil the signal sources which – based on experiments and theoretical considerations – are different than commonly suggested.