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Keywords:

  • Electro-optical materials;
  • Heterojunctions;
  • Monolayers;
  • Silicon
Thumbnail image of graphical abstract

By combining experimental electron-transport results through an alkane monolayer sandwiched between Si and a metal, photoemission data from the monolayer-on-Si, and theoretical calculations, we show that transport is dominated by a distribution of mixed Si molecular levels, rather than a single molecular level, as shown schematically in the figure.