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Keywords:

  • cobalt;
  • dye-sensitized solar cells;
  • electrolytes;
  • photocathodes
Thumbnail image of graphical abstract

Co-produced: Using [Co(en)3]2+/3+ based-electrolytes in p-type dye-sensitized solar cells (p-DSCs) gives record energy conversion efficiencies of 1.3 % and open-circuit voltages up to 709 mV under simulated sun light. The increase in photovoltage is due to the more negative redox potential of [Co(en)3]2+/3+ compared to established mediators.