Multipath oxygen-mediated PET-RAFT polymerization by a conjugated organic polymer photocatalyst under red LED irradiation

In this contribution, we propose a novel multipath aerobic-mediated reductive quenching pathway for a photoinduced electron transfer reversible addition fragmentation chain transfer polymerization process, where the in situ production of a superoxide anion radical from molecular oxygen was achieved...

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Published inPolymer chemistry Vol. 12; no. 48; pp. 6998 - 74
Main Authors Yang, Hongjie, Lu, Zhen, Fu, Xiaoling, Li, Qiuyu, Xiao, Longqiang, Zhao, Rukai, Zhao, Yulai, Hou, Linxi
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 14.12.2021
Subjects
Addition polymerization
Chain transfer
Electron transfer
Irradiation
Light emitting diodes
Oxygen
Polymer chemistry
Polymerization
Polymers
Triethylamine
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Summary:In this contribution, we propose a novel multipath aerobic-mediated reductive quenching pathway for a photoinduced electron transfer reversible addition fragmentation chain transfer polymerization process, where the in situ production of a superoxide anion radical from molecular oxygen was achieved under red light-emitting diode irradiation in the presence of a conjugated TCPP-DMTA-COP organic polymer with or without the assistance of triethylamine. TCPP-DMTA-COP has been synthesized and serves as a heterogeneous photocatalyst in a multipath aerobic-mediated reductive quenching pathway (O-RQP) for a PET-RAFT polymerization process.
Bibliography:10.1039/d1py01058a
Electronic supplementary information (ESI) available. See DOI
ISSN:1759-9954
1759-9962
DOI:10.1039/d1py01058a