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Keywords:

  • bioinorganic chemistry;
  • biomimetic catalysis;
  • electrochemistry;
  • hydrogen;
  • iron hydrogenase
Thumbnail image of graphical abstract

Good potential: A biomimetic model of the iron hydrogenase active site functions as a catalyst for electrochemical proton reduction at relatively moderate negative potentials. The catalytic cycle (see scheme) involves the protonation of the azadithiolate nitrogen atom as its initial step. This system may eventually be used to achieve light-activated hydrogen evolution.