Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 32, Issue 12, Pages 917-920Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201100098
Keywords
iridium complexes; photoredox organocatalysis; ring opening polymerization; silyl radicals
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Funding
- Agence Nationale de la Recherche ANR [ANR-10-BLAN-0802]
- Agence Nationale de la Recherche (ANR) [ANR-10-BLAN-0802] Funding Source: Agence Nationale de la Recherche (ANR)
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The use of a photocatalyst (tris(2-phenylpyridine)iridium [Ir(ppy)(3)]) being able to generate both radicals and cations to initiate free radical polymerization and ring opening polymerization is presented. Remarkably, under soft irradiations (fluorescence bulb, sunlight), excellent cationic polymerization profiles and final conversions are obtained. The involved mechanisms are investigated by ESR experiments.
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