Our latest collaborative work by Andricus and Rajendra (Comes group) shows the OER electrocatalysis with LaFeO3 single crystalline films is highly dependent on both surface defect states and bulk conductivity through the lattice. A balance of both is necessary to achieve the best catalysis.
https://pubs.rsc.org/en/content/articlelanding/2022/ta/d1ta07142d
The Farnum Group 