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. 2020 Mar 18;16:415–444. doi: 10.3762/bjoc.16.40

Figure 3.

Figure 3

Cationic photopolymerization of an epoxide (Epikote 828) initiated by excitation of the absorber 36 and bis(4-tert-butyl phenyl)iodonium hexafluorophosphate (2 wt %) applying different NIR sensitizer concentrations with an NIR-LED source emitting at 805 nm with an intensity of 1.2 W cm–2. (From [65]. Schmitz, C.; Pang, Y.; Gülz, A.; Gläser, M.; Horst, J.; Jäger, M.; Strehmel, B., New High-Power LEDs Open Photochemistry for Near-Infrared-Sensitized Radical and Cationic Photopolymerization. Angew. Chem., Int. Ed. 2019, 58 (13), 4400–4404. Copyright Wiley-VCH Verlag GmbH & Co. KGaA. Reproduced with permission).