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Keywords:

  • electrochemistry;
  • luminescence;
  • molecular devices;
  • photochemistry;
  • ruthenium
Thumbnail image of graphical abstract

Totally logical: The well-known complex [Ru(bpy)3]2+ (bpy=2,2′-bipyridine) can perform as both a 4-to-2 encoder and a 2-to-4 decoder (see picture; gray C, blue N, red Ru) by a combination of electronic and photonic inputs and outputs. The system can be reset in situ without the addition of chemical reagents. This approach is considered as an alternative route to solid-state molecular electronics and the design and construction of chemical computers.