Boosting photocatalyst efficiency through heterocyclic engineering of the 4CzIPN motif

Replacing a carbazole unit in 4CzIPN with electron-deficient azoles affords photocatalysts with enhanced excited-state oxidation potentials (up to +1.62 V vs. SCE). The benzimidazole derivative BMz3CzIPN outperforms 4CzIPN in redox-neutral decarboxylative Giese addition and oxidative anisole bromination, and proves more efficient in the challenging long-term reductive dechlorination of 4-chloroanisole.

Reference: Chem. Commun. , 2026, 19567–19571.

DOI: 10.1039/d6cc03276a