Increased activity in the oxygen evolution reaction by Fe<sup>4+</sup>-induced hole states in perovskite La<sub>1−x</sub>Sr<sub>x</sub>FeO<sub>3</sub>
Zechao Shen, Yong‐Bin Zhuang, Weiwei Li, Xiao‐Chun Huang, F. Palacio, Emiel J. M. Hensen, Jan P. Hofmann, Meiyan Cui, Anton Tadich, Dongchen Qi, Jun Cheng, Jun Li, Kelvin H. L. Zhang
Abstract
<bold>Hole for faster OER:</bold> The hole state induced by Fe<sup>4+</sup> promotes the OER process. It reduces the energy barrier for electron transfer at the interface and facilitates a faster electron transfer from reaction intermediates to the catalyst.
Topics & Concepts
Perovskite (structure)Electron transferOxygen evolutionCatalysisCrystallographyOxygenElectronChemistryMaterials sciencePhysicsPhysical chemistryNuclear physicsOrganic chemistryElectrodeBiochemistryElectrochemistryElectrocatalysts for Energy ConversionElectrochemical Analysis and ApplicationsAdvanced battery technologies research