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Keywords:

  • aluminum;
  • catalyst;
  • nanowire;
  • self-doping;
  • UHV-CVD
Thumbnail image of graphical abstract

Don′t get your nanowires crossed: Aluminum, as an attractive catalyst, has exhibited an effective doping behavior during silicon nanowire growth, in which Al can not only ensure a novel and efficient route to adjust Si nanowire compositions, but also plays a critical role in shaping the structural morphologies of Si nanowires. The fundamental understanding of the catalytic processes is crucial to the development of advanced silicon nanowire-based devices.