fig4

Figure 4. (A) Synthesis of Oxid-Ti₃C₂T_x/UIO-66-NH₂ composites; (B) Zeta potential of Ti₃C₂T_x; (C) SEM image of Ti₃C₂T_x; (D) SEM images of Oxid-Ti₃C₂T_x/UIO-66-NH₂; (E) TEM images of Ti₃C₂T_x; (F)TEM images of Oxid-Ti₃C₂T_x/UIO-66-NH₂; (G and H) EDXS (G), HRTEM (H) images of Oxid-Ti₃C₂T_x/UIO-66-NH₂; (I) XRD patterns of Ti₃AlC₂, Ti₃C₂T_x, and Oxid-Ti₃C₂T_x/UIO-66-NH₂ composites (J) XPS spectra of Ti₃C₂T_x, and Oxid-Ti₃C₂T_x/UIO-66-NH₂ composites Ce-MOF@PA; (K) Raman spectra of Ti₃C₂T_x treated by DBD with different times; (L) Before enrichment and (M) after enrichment by Oxid-Ti₃C₂T_x/UIO-66-NH₂. (A-M) are reprinted with permission from Ref.^[101], Copyright © 2023 by Elsevier Ltd. Permission is not required for this non‑commercial use. SEM: Scanning electron microscope; TEM: transmission electron microscope; EDXS: energy-dispersive X-ray spectroscopy; HRTEM: high-resolution transmission electron microscopy; XRD: X-ray diffraction; XPS: X-ray photoelectron spectroscopy; MOF: metal–organic framework; PA: phytic acid; DBD: dielectric barrier discharge.