Greatcell Energy’s FK102 cobalt complexes offer guaranteed performance, high reproducibility, consistent results, and are of highest purity. In comparison to triiodide-based redox electrolytes, cobalt complexes in general increase photovoltages and, particularly at lower light levels (e.g. for indoor applications), significantly increase device power output. Greatcell Energy offers the choice of PF6 and TFSI as counter ion of both Co(II) and Co(III) to allow researchers to investigate the effect of couter ions and to tailor their systems to various specifications.

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