Vertically grown p–n heterojunction FeCoNi LDH/CuO arrays with modulated interfacial charges to facilitate the electrocatalytic oxygen evolution reaction
Qi Ouyang, Shichao Cheng, Chunhui Yang, Zuotao Lei
Abstract
The built-in electric field at the heterogeneous interface makes FeCoNi LDH in p–n heterojunction FeCoNi LDH/CuO more positively charged, which is more favorable for the adsorption of OH − , leading to the promoted OER activity in the alkaline media.
Topics & Concepts
HeterojunctionElectric fieldAdsorptionOxygen evolutionOxygenMaterials scienceChemical engineeringElectrodeChemistryPhysicsPhysical chemistryOptoelectronicsElectrochemistryOrganic chemistryEngineeringQuantum mechanicsElectrocatalysts for Energy ConversionAdvanced battery technologies researchSupercapacitor Materials and Fabrication