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Keywords:

  • density functional calculations;
  • EPR spectroscopy;
  • iron;
  • Raman spectroscopy;
  • photocatalytic water splitting
Thumbnail image of graphical abstract

Light on the water: The coupling of Raman and EPR spectroscopy was crucial in the study of the activation, operation, and deactivation steps in the light-driven splitting of water catalyzed by iridium and iron. The results may provide the foundation for improved water-reduction catalysts. IrPS=iridium photosensitizer, TEA=triethylamine.