Magnetic field enhancement of the FeCoSe<sub>2</sub> photoanode for the oxygen evolution reaction by adjusting the hole density to reduce competitive adsorption between Fe and Co in a photoelectrochemical water-splitting system
Ben Fan, Zebin Yu, Ling Ding, Ronghua Jiang, Yanping Hou, Shuang Li, Jianhua Chen
Abstract
FeCoSe 2 has fast oxygen evolution due to polarization electric field and d-band center. However, the large adsorption energy of Fe slows the reaction. Magnetic field reduces Fe's adsorption, enhancing OER performance.
Topics & Concepts
Oxygen evolutionAdsorptionPolarization (electrochemistry)OxygenCatalysisMagnetic fieldMaterials scienceElectric fieldChemical physicsChemical engineeringChemistryElectrodeElectrochemistryPhysical chemistryPhysicsOrganic chemistryEngineeringBiochemistryQuantum mechanicsIron oxide chemistry and applicationsAdvanced Photocatalysis TechniquesCopper-based nanomaterials and applications