Partial carbonization and etching of ZIF-9 to construct SO<sub>4</sub><sup>2−</sup>-decorated C@NiCoFe LDH ultrathin nanosheets for efficient oxygen evolution reaction
Weibin Chen, Chao Chen, Lei Li, Zhan Lin
Abstract
SO 4 2− -decorated C@NiCoFe LDH was synthesized through controlled carbonization and etching of ZIF-9. C@NiCoFe–SO 4 exhibits a low overpotential of 234 mV in 0.1 M KOH for the OER due to the synergistic regulation of Fe 3+ , SO 4 2− and CoNC.
Topics & Concepts
CarbonizationOverpotentialEtching (microfabrication)Materials scienceOxygen evolutionChemical engineeringNuclear chemistryNanotechnologyChemistryPhysical chemistryComposite materialElectrochemistryScanning electron microscopeElectrodeEngineeringLayer (electronics)Electrocatalysts for Energy ConversionAdvanced Photocatalysis TechniquesCatalytic Processes in Materials Science