Metal-free atom transfer radical polymerization with ppm catalyst loading under sunlight

Qiang Ma, Jinshuai Song, Xun Zhang, Yu Jiang, Li Ji and Saihu Liao ()
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Qiang Ma: Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University
Jinshuai Song: Zhengzhou University
Xun Zhang: Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University
Yu Jiang: Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University
Li Ji: Grubbs Institute, Southern University of Science and Technology
Saihu Liao: Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University

Nature Communications, 2021, vol. 12, issue 1, 1-8

Abstract: Abstract Organocatalytic atom transfer radical polymerization (O-ATRP) is recently emerging as an appealing method for the synthesis of metal-free polymer materials with well-defined microstructures and architectures. However, the development of highly effective catalysts that can be employed at a practical low loading are still a challenging task. Herein, we introduce a catalyst design logic based on heteroatom-doping of polycyclic arenes, which leads to the discovery of oxygen-doped anthanthrene (ODA) as highly effective organic photoredox catalysts for O-ATRP. In comparison with known organocatalysts, ODAs feature strong visible-light absorption together with high molar extinction coefficient (ε455nm up to 23,950 M–1 cm–1), which allow for the establishment of a controlled polymerization under sunlight at low ppm levels of catalyst loading.

Date: 2021
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DOI: 10.1038/s41467-020-20645-8

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