fig8

Figure 8. (A) Schematic diagram of the preparation process of Pz-CTFs; (B) Ionothermal synthetic CTF-based photocatalysts via a ternary NaCl-KCl-ZnCl₂ system; (C) The polymerization reaction for CTFs by the KCl-catalytic approach; (D) SEM and (E) EDS element mappings of KCl nanoparticles coated by CTF-DCB NSs; (F) SEM, (G) AFM, and (H) PXRD of CTF-DCB NSs; (I) Large-scale preparation of CTF-DCB NSs. (A) Adapted with permission^[111]. Copyright 2022, Elsevier. (B) Adapted with permission^[112]. Copyright 2022, John Wiley and Sons. (C-I) Adapted with permission^[113]. Copyright 2023, American Chemical Society. Pz-CTF: Phosphonitrilic core covalent triazine framework; HCPz: hexakis(oxy)hexabenzonitrile phosphazene; SEM: scanning electron microscopy; EDS: energy-dispersive spectrometry; CTF-DCB NS: covalent triazine framework-dicyanobenzene nanosheet; AFM: atomic force microscopy; PXRD: powder X-ray diffraction.