Achieving highly efficient electrocatalytic oxygen evolution with ultrathin 2D Fe-doped nickel thiophosphate nanosheets

Ultrathin 2D Fe-doped NiPS3 nanosheets exhibit highly efficient electrocatalytic water oxidation with a low overpotential of 256 mV reach a current density of 30 mA cm−2 and small Tafel slope of 46 mV dec−1 as well as good stability.397