Engineering an Fe2O3/FeS hybrid catalyst from a deep eutectic solvent for highly efficient electrocatalytic N2 fixation

A hybrid catalyst of crystalline Fe2O3 with amorphous FeS was designed by a deep eutectic solvent approach with a subsequent annealing process, offering a high-efficiency electrocatalyst for N-2 fixation with an NH3 yield of 34.31 mu g h(-1) mg(cat).(-1) and faradaic efficiency of 18.06% at -0.25 V versus a reversible hydrogen electrode.

Automated summary

By utilizing a deep eutectic solvent approach and subsequent annealing process, a hybrid catalyst of crystalline Fe2O3 with amorphous FeS was developed, which demonstrated high efficiency for N-2 fixation with an NH3 yield of 34.31 mu g h(-1) mg(cat).(-1) and a faradaic efficiency of 18.06% at -0.25 V versus a reversible hydrogen electrode.