Figure 6.

(A) The illustration of bacteriochlorin ligands in Zr-TBB for Type I and Type II PDT to produce four species of reactive oxygen species; (B) time-dependent UV-visible absorption of TBB after light exposure in air-saturated DMF; the percentage of photoproducts (TBB, TBC, fragment) of H₄TBB (C) and Zr-TBB (D) after 30 minutes of light irradiation. Reprinted with permission from Luo T, Ni K, Culbert A et al. Nanoscale Metal-Organic Frameworks Stabilize Bacteriochlorins for Type I and Type II Photodynamic Therapy. J Am Chem Soc. 2020;142(16):7334–7339. Copyright (2020) American Chemical Society.⁵⁴