A nonconjugated AIE polymer from enol-conjugated ACQ curcumin through nucleophilic substitution polymerization-induced emission towards enhanced photocatalytic hydrogen evolution

S N PIE of a natural extract (curcumin) is used to prepare an AIE polymer, which exhibits intriguing ACQ-to-AIE transformation and efficient photocatalytic activity with an optimal H 2 production rate of 3122.5 μmol g −1 h −1 under visible light.