Fig. 4

Calculated energies of CH4 adsorption. Ead (kJ mol−1), on Fe atop site and O atop site of (Fe2O3)n nanoparticles as a function of n. The adsorption trends are shown by the blue and red lines.
Calculated energies of CH4 adsorption. Ead (kJ mol−1), on Fe atop site and O atop site of (Fe2O3)n nanoparticles as a function of n. The adsorption trends are shown by the blue and red lines.