Terbium-induced cobalt valence-band narrowing boosts electrocatalytic oxygen reduction
Xuan Wang, Juan Zhang, Pu Wang, Liangcheng Li, H. Wang, Dongmei Sun, Yafei Li, Yawen Tang, Xue Feng Lu, Yu Wang, Gengtao Fu
Abstract
Tb 2 O 3 endows Co 3d with a narrow band and appropriate band location via Co 3d–O 2p–Tb 4f gradient orbital coupling to efficiently enhance the oxygen reduction reaction.
Topics & Concepts
TerbiumCobaltOxygen reduction reactionOxygenValence (chemistry)Reduction (mathematics)Valence bandOxygen reductionChemistryMaterials sciencePhotochemistryInorganic chemistryOptoelectronicsElectrodeElectrochemistryPhysical chemistryBand gapLuminescenceGeometryMathematicsOrganic chemistryElectrocatalysts for Energy ConversionAdvanced Photocatalysis TechniquesPerovskite Materials and Applications