Carbazole-based compounds as photoinitiators for free radical and cationic polymerization upon near visible light illuminationElectronic supplementary information (ESI) available. CCDC 1582211. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c7pp00400a

Six new carbazole based compounds (Ca1-Ca6) are synthesized and proposed as high performance photoinitiators with iodonium salt (iod) and/or an amine (EDB) for both the free radical polymerization (FRP) of acrylates and the cationic polymerization (CP) of epoxides upon near UV and visible light exposure using light emitting diodes (LEDs) @385 nm and @405 nm. Excellent polymerization initiating abilities are found and high final reactive function conversions are acquired. A full picture of the involved photochemical mechanisms is given. Six new carbazole based compounds are synthesized and proposed as high performance photoinitiators for both the free radical polymerization of acrylates and the cationic polymerization of epoxides.