Because of current worldwide environmental issues, polymer synthesis is expected to be ready under eco-friendly ways. PET-RAFT polymerization without additives by sunlight is the best method for setting up the polymers of distinct designs. This can be accomplished by a photocatalyst (PC) which covers the full range of daylight for high effectiveness and has great water solubility, oxygen tolerance, and biocompatibility. We found that Ag2S nanocrystals (NCs) empower the PET-RAFT polymerization for various (meth)acrylic monomers under sunlight conditions. Surprisingly, "oxygen acceleration" effect is observed over Ag2S NCs-intervened polymerizations. Quantum chemical calculation joined that the radical anion intermediates are significant for the noticed uncommon practices. PET-RAFT polymerizations with Ag2S NCs could be accomplished in the biorelevant media under normal daylight illuminations, demonstrating the biocompatibility and effectiveness of the framework.

Silver sulfide nanocrystals as a biocompatible and full-spectrum photocatalyst for efficient light-driven polymerization under aqueous and ambient conditions

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ACS Spring 2023

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