FeP–Fe3O4 nanospheres for electrocatalytic N2 reduction to NH3 under ambient conditions

FeP–Fe 3 O 4 nanospheres were prepared as eNRR catalysts, which achieved the NH 3 yield of 12.73 μg h −1 mg cat −1 and the highest Faraday efficiency (FE) of 11.02% in 0.1 M KOH + 0.1 M K 2 SO 4 .