期刊
MATERIALS CHEMISTRY FRONTIERS
卷 1, 期 6, 页码 1200-1206出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6qm00380j
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资金
- National Natural Science Foundation of China [21525420, 21374107]
- Fundamental Research Funds for the Central Universities [WK 2060200012]
A visible light mediated reversible addition-fragmentation chain transfer (RAFT) dispersion polymerization of benzyl methacrylate (BzMA) is conducted in ethanol using poly(2-dimethylaminoethyl methacrylate) (PDMAEMA) as a macro-chain transfer agent (macro-CTA), affording polymeric nanomaterials with various morphologies. Unlike the polymerization-induced self-assembly and reorganization (PISR) process initiated by thermal stimuli, the photo-controlled PISR can be performed under more mild conditions, such as visible light and room temperature. Photoredox catalysis is employed to regulate the polymerization via a photoinduced electron transfer (PET) process. It is observed that the polymerization can be affected by catalyst concentration and light intensity, and ON/OFF'' control over polymerization is also demonstrated.
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