Regulating charge dynamics in covalent organic frameworks for efficient solar-driven hydrogen peroxide production

production. We discuss key material design strategies including donor-acceptor engineering, functional group modification, molecular doping, topological control, regioisomeric design, and heterostructure construction. By correlating structural features with exciton binding energy, charge mobility, and photocatalytic performances, we highlight how molecular-level design translates into photocatalytic performance. Finally, we outline current challenges and propose future research directions to accelerate the development of high-efficiency COF-based materials for solar fuel generation.