fig8
![Hierarchical metal–organic framework nanoarchitectures for catalysis](https://image.oaes.cc/dabfd0b5-7622-4489-94c0-359ae8103a85/cs4042.fig.8.jpg)
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.