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Subtle Ligand Effects in Oxidative Photocatalysis with Iridium Complexes: Application to Photopolymerization

Lalevée, Jacques, Peter, Mathieu, Dumur, Frédéric, Gigmes, Didier, Blanchard, Nicolas, Tehfe, Mohamad‐Ali, Morlet‐Savary, Fabrice, Fouassier, Jean Pierre·2011·Chemistry – A European Journal

Abstract

Iridium(III) complexes were designed and evaluated as efficient photoinitiators of polymerization reactions in combination with iodonium salts and silanes. Mechanistically, these reactions were shown to proceed through oxidative photoredox catalysis, generating aryl and silyl radicals under very soft irradiation conditions (blue LED, xenon lamp, and even sunlight). These radicals can initiate the free radical polymerization of acrylates or can be oxidized during the catalytic cycle to promote the ring‐opening polymerization of epoxy monomers. Remarkably, both the (photo)chemical reactivity and the practical efficiency are dramatically affected by the ligands. In addition, the central role played by the oxidation ability of the excited state of the photocatalyst is discussed.

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Metadata

Authors
Lalevée, J., Peter, M., Dumur, F., Gigmes, D., Blanchard, N., Tehfe, M., Morlet‐Savary, F., & Fouassier, J. P.
Venue
Chemistry – A European Journal
Publisher
Wiley
Published
2011-11-28
Volume
17
Issue
52
Pages
15027-15031
ISSN
  • 0947-6539 (ISSN-L)
  • 1521-3765
OpenAlex
W2150953134
Cited by
174
References
0
FWCI
9.28
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Subtle Ligand Effects in Oxidative Photocatalysis with Iridium Complexes: Application to Photopolymerization. https://app.cochat.ai/papers/10.1002/chem.201101445
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Lalevée, J., Peter, M., Dumur, F., Gigmes, D., Blanchard, N., Tehfe, M., Morlet‐Savary, F., & Fouassier, J. P. (2011). Subtle Ligand Effects in Oxidative Photocatalysis with Iridium Complexes: Application to Photopolymerization. Chemistry – A European Journal. https://doi.org/10.1002/chem.201101445

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.