Coupling NiFe-MOF nanosheets on Ni3N microsheet arrays for efficient electrocatalytic water oxidation

MOFs material has been grown on metallic transition metal nitride for electrocatalytic OER. The as-prepared hierarchical NiFe-MOF@Ni3N nano/microsheet arrays electrocatalyst exhibits a low overpotential of 281 mV at a current density of 200 mA cm-2 with a remarkable stability of 50 h.