fig2

Figure 2. (A) Photoexcited LMCT decarboxylation pathway for radical generation via Cu²⁺ activation^[18]. Figure 2A is reproduced under the CC BY-NC-ND license; (B) Proposed dual-site activation of PFOA through Ti–O and Bi–F interaction^[22]. Figure 2B is reproduced under the CC BY4.0 license. LMCT: Ligand-to-metal charge transfer.