fig18
![Hierarchical metal–organic framework nanoarchitectures for catalysis](https://image.oaes.cc/dabfd0b5-7622-4489-94c0-359ae8103a85/cs4042.fig.18.jpg)
Figure 18. (A) TEM image of HMS UiO-66(Ce); (B) Water-splitting H2 generation profiles and (C) photocurrent responses of HMS UiO-66(Ce), HM UiO-66(Ce), and solid mesoporous UiO-66(Ce); (D) Schematic illustration of the mass transfer and carrier transport processes in three samples[66]. Copyright 2023, Wiley-VCH; (E and F) SEM images of (E) cMIL-125@ZIF-8 and (F) bMIL-125@ZIF-8; (G) Schematic illustration of the photocatalytic degradation process towards orange II using ZIF-8@MIL-125; (H) Degradation efficiency of different catalysts[135]. Copyright 2020, Royal Society of Chemistry. Scale bars: (E) 200 nm and (F) 200 nm. TEM: Transmission electron microscopy; SEM: scanning electron microscopy; MIL: Materials Institute Lavoisier; ZIF: zeolitic imidazolate framework.