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Keywords:

  • charge transfer;
  • diarylethene compounds;
  • graphene;
  • molecular devices;
  • optoelectronics
Thumbnail image of graphical abstract

A molecular switch: The conductance of a new molecular device based on graphene–molecule junctions was reproducibly switched between open and closed states under irradiation of external light (see picture). Three photochromic diarylethene derivatives with different substituents were used as key elements of the molecular devices.