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Keywords:

  • laser chemistry;
  • mass spectrometry;
  • monolayers;
  • selenium;
  • self-assembly
Thumbnail image of graphical abstract

Ion-induced desorption and neutral fragments mass spectrometry are used to analyze the chemical stability of the molecule–substrate interface in a homologue series of selenium-based aromatic SAMs on a Au(111) substrate (see picture). The Au[BOND]Se bond is more stable than the Au[BOND]S bond and the stability of the molecule–substrate interface shows an odd–even effect.