Experimental analysis demonstrates a significant increase in ammonia yield using catalysts with topological surface states, suggesting a new direction for catalyst design.
Key Points
The study reveals a maximum Faradaic efficiency of 91.6% for ammonia at −0.5 V RHE, indicating the catalyst's effectiveness.
In situ experiments and density functional theory calculations confirm that topological surface states enhance charge transfer kinetics during the nitrogen reduction process.
The Co3Sn2S2 catalyst demonstrates remarkable stability over a prolonged period, outperforming semiconductor alternatives in nitrate reduction.
These findings highlight the pivotal role of topological surface states in optimizing electrocatalytic mechanisms for nitrate reduction.