The Fe2S2 structure of the active site of the [FeFe]-hydrogenase enzyme provides inspiration for numerous hydrogen-producing electrocatalysts. The effect of replacing one CO ligand of the competent electrocatalyst [(�-2,3-(1,4 dichlorobenzene)dithiolato)Fe2(CO)6] with a pnictogen-based ligand has been explored. Three compounds have been synthesized using PPh3, AsPh3 and SbPh3. The variation in structure and catalytic ability will be discussed. Electrochemistry is used to describe the efficiency of catalysis in terms of overpotential, turnover number and turnover frequency. Additionally, a rare Sb=O containing compound is observed and characterized crystallographically.

Fe<sub>2</sub>S<sub>2</sub> hydrogen-producing electrocatalysts containing pnictogen ligands

243rd National Meeting (2012)

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Fe2S2 hydrogen-producing electrocatalysts containing pnictogen ligands

Fe₂S₂ hydrogen-producing electrocatalysts containing pnictogen ligands