Amorphous NiP quantum dots as a robust electrocatalyst for oxygen evolution reaction

Amorphous nickel phosphorus (NiP) is regarded as one of the most promising efficient catalysts for oxygen evolution reaction (OER). Here, amorphous NiP quantum dots with a diameter of 2.7 nm were successfully prepared by metal-Fe/N/C support interaction. Owing to the high specific surface areas, the abundant defects caused by N-doping, and the charge transfer between Fe single atoms and NiP, amorphous NiP quantum dots achieve a low overpotential of 242 mV at 10 mA cm−2. This work provides an efficient way to construct amorphous quantum dots by strong metal-support interaction.