Issue 6, 2017

The photo-controlled polymerization-induced self-assembly and reorganization process for fabrication of polymeric nanomaterials

Abstract

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.

Graphical abstract: The photo-controlled polymerization-induced self-assembly and reorganization process for fabrication of polymeric nanomaterials

Supplementary files

Article information

Article type
Research Article
Submitted
30 dec 2016
Accepted
23 jan 2017
First published
24 jan 2017

Mater. Chem. Front., 2017,1, 1200-1206

The photo-controlled polymerization-induced self-assembly and reorganization process for fabrication of polymeric nanomaterials

J. Zhou, C. Hong and C. Pan, Mater. Chem. Front., 2017, 1, 1200 DOI: 10.1039/C6QM00380J

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