Analysis of the selectivity-determining steps of the oxygen reduction reaction (ORR) with Fe(porphyrin) electrocatalysts reveals that multiple mechanisms for H2O2 formation can be accessed. Changes to the porphyrin scaffold dictate the selectivity determining pathway based on a variety of factors such as
hydrogen bonding and steric hinderance.
Published: August 12, 2021
Citation
Brezny A.C., H.S. Nedzbala, and J.M. Mayer. 2021.Multiple Selectivity-Determining Mechanisms of H2O2 Formation in Iron Porphyrin-Catalysed Oxygen Reduction.Chemical Communications 57, no. 10:1202-1205.PNNL-SA-158669.doi:10.1039/d0cc06701f