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Keywords:

  • chemisorption;
  • monolayers;
  • physisorption;
  • scanning probe microscopy;
  • X-ray photoelectron spectroscopy
Thumbnail image of graphical abstract

An invisible monolayer? Oxidation of an octylsilane monolayer (see graphic) chemisorbed onto Au(111) yields two surprising results. The 23×equation image Au surface reconstruction typical of a clean gold surface forms underneath the siloxane monolayer. In addition, the physisorbed alkylsiloxane monolayer is transparent to scanning tunneling microscopy imaging.