Free-Base Octaethylporphyrin on Au(111) as Heterogeneous Organic Molecular Electrocatalyst for Oxygen Reduction Reaction in Acid Media: An Electrochemical Scanning Tunneling Microscopy and Rotating Ring-Disc Electrode Analyses. - Cazzadori F; Facchin A; Reginato S; Forrer D; Durante C (Small science, 2024)