Enhanced electrocatalytic performance of TiO2 nanoparticles by Pd doping toward ammonia synthesis under ambient conditions

Pd-doped TiO 2 nanoparticles as an effective NRR electrocatalyst present a large NH 3 yield of 17.4 μg h −1 mg cat. −1 and a high faradaic efficiency of 12.7% at −0.50 V vs. RHE in 0.1 M Na 2 SO 4 electrolyte.