Why is Hierarchical Porosity Important in Catalysis?
Hierarchical porosity is essential in catalysis for several reasons:
Enhanced Mass Transport: The presence of larger mesopores and macropores facilitates the diffusion of reactants and products, reducing diffusion limitations that are typically encountered in materials with only microporosity. Increased Surface Area: The combination of different pore sizes increases the overall surface area, providing more active sites for catalytic reactions. Improved Stability: Hierarchically porous materials often exhibit better mechanical stability, which is vital for long-term catalytic processes. Better Catalytic Performance: The synergistic effect of multi-scale porosity can lead to enhanced catalytic activity, selectivity, and durability.
