Research Article

Silica Coating of Metal-Loaded H-ZSM-22 to Form the Core-Shell Nanostructures: Characterization, Textural Properties, and Catalytic Potency in the Esterification of Oleic Acid

Figure 4

TEM images of nanoscale Sr-H-ZSM-22@SiO2: (a) detail of pores and (b) core-shell structure.
(a)
(b)