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Keywords:

  • photovoltaic devices;
  • thin films;
  • silicon oxide;
  • mixed phase;
  • silicon filaments;
  • photoluminescence
Thumbnail image of graphical abstract

Nanometer wide silicon filaments embedded in an amorphous silicon oxide matrix are grown at low temperatures over a large area. The optical and electrical properties of these mixed-phase nanomaterials can be tuned independently, allowing for advanced light management in high efficiency thin-film silicon solar cells and for band-gap tuning via quantum confinement in third-generation photovoltaics.