Single-atom-anchored covalent organic frameworks for photocatalytic hydrogen evolution: design principles, dynamic mechanisms, and emerging opportunities.
Photocatalytic water splitting is a promising route for solar-to-hydrogen conversion, but organic photocatalysts are often limited by strong exciton binding, rapid charge recombination, inefficient carrier transport, and sluggish proton-reduction kinetics. Covalent organic frameworks (COFs) offer molecularly tunable st...