fig3
Figure 3. TEM analyses of samples at different stages of S-1 ZMN synthesis: (A) after aging at 90 °C for 12 h; (B) after regulating pH to 8.5 and aging at 90 °C for another 12 h; after hydrothermal treatment in the autoclave at 120 °C for (C) 6; (D) 9; (E) 12; (F) 16; (G) 24; (H) 48; and (I) 72 h. TEM: Transmission electron microscopy; ZMN: zeolite macro-nanosheet.
