Fig. 4: Study of the reaction mechanisms and surface intermediates for C3H6 oxidation over Pte-300A.
From: Temperature-driven mechanistic transition in propylene oxidation over Pt/CeO2 ensemble catalysts

a In situ DRIFTS spectra of steady-state C3H6 and O2 co-adsorption; b Contour graphs for C3H6 oxidation; c, d Effects of C3H6 and O2 partial pressures on C3H6 consumption rate over Pte-300A at 162 °C and 188 °C, respectively; e DFT calculations of C3H6 oxidation mechanisms and energy barriers with detailed transition states and free energy change.