fig8

Figure 8. (A) Low-magnification SEM image of the tZIF-67 nanoframes; (B) Crystal structure of ZIF-67 along different directions; (C) Formation process and (D-G) corresponding TEM images of tZIF-67 nanoframes^[83]. Copyright 2020, Wiley-VCH; (H) Schematic illustration of the formation process of HM-MIL; (I and J) SEM and TEM images of (I) S-MIL and (J) HM-MIL^[85]. Copyright 2020, American Chemical Society; (K) Schematic illustration of the formation mechanism of 3S-mesoUiO-66-NH₂ HoMSs; (L) SEM and (M) TEM images of a 3S-mesoUiO-66-NH₂ HoMS^[22]. Copyright 2023, Springer Nature. SEM: Scanning electron microscopy; ZIF: zeolitic imidazolate framework; TEM: transmission electron microscopy; MIL: Materials Institute Lavoisier.