Fig. 5. The change in the potential energy surface of Pd/ZnO catalysts with varying surface Zn ratios. (a–c) Three-dimensional model of the potential energy surface (g–i). (d–f) Two-dimensional model of potential energy surface (g–i). The adsorption configuration of C2H4 molecules on 50-Pd/ZnO (g), 150-Pd/ZnO (h), and 300-Pd/ZnO (i) catalysts.
