fig3

Figure 3. Schematic illustrations of chemical and structural modification approaches to improve the intrinsic conductivity of MOFs: (A) through-bond pathway; (B) extended conjugation pathway; (C) through-space pathway. Reprinted with permission[52]. Copyright 2020, American Chemical Society. (D) Schematic illustration of coordination ligands that can bind to the surface of perovskite crystal structure in terms of X, L, and Z types. Reprinted with permission[69] Copyright 2021, Wiley-VCH.