With global energy demand on the rise, it is critical to develop carbon neutral and renewable energy technology. Artificial Photosynthesis (AP) is a process through which water is split into hydrogen gas and oxygen gas using solar energy. The hydrogen evolution reaction (HER) focuses on the reductive side of this process which involves generating hydrogen gas from water. Our group has developed a series of iron polypyridyl monophenolate complexes that are both stable and active for HER in aqueous solutions. Herein we report a series of analogues of these complexes that incorporate a pendant base near the active site of the catalyst. The role that the pendant base plays on activity and stability of these complexes is examined.

First row metal complexes for the hydrogen evolution reaction of artificial photosynthesis

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