Ordered Porous Nanomaterials: The Merit of Small

Figure 7

Different MCM-41 materials with pore sizes ranging from (a) 20, (b) 40, (c) 65, to (d) 100 Å. The inset in the lower right-hand corner shows a schematic representation of the porous array of MCM-41. Adapted from [5].

(a)

(b)

(c)

(d)