fig9

Figure 9. (A) Schematic diagram of ZSM-5 channels. (B) Orthorhombic and monoclinic forms of ZSM-5. The lattice T-sites for the orthorhombic form are shown in red; those for the monoclinic form are shown in blue. (C) Mapping T-sites to α, β, and γ nomenclature. The figure is used with permission from American Chemical Society^[25]. (D) Illustration of crystal growth of ZSM-5 zeolites from primary gel precursor under different hydrothermal synthesis conditions. The figure is used with permission from American Chemical Society^[124]. (E) ²⁷Al MAS NMR spectra of [TPA]-75, [Na]-75, [TPA + Na]-75, and [PET + Na]-75 samples. The figure is used with permission from American Chemical Society^[125].