Fig. 6: Schematic illustration of the CO2 conversion pathways on the bifunctional LaFeO3/H-ZSM-5 composite catalyst and the Fe5C2/H-ZSM-5 catalyst, in which Fe5C2 is derived from in situ transformation of conventional Fe oxide catalyst (e.g., Fe2O3 and ZnFe2O4) under the reactive atmosphere.
From: Upgrading CO2 to sustainable aromatics via perovskite-mediated tandem catalysis

Spheres in pink, black, red, magenta, yellow, brown, and green represent H, C, O, Al, Si, Fe, and La atoms, respectively.