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Reversible Addition Fragmentation Chain Transfer (RAFT) Polymerization from Unprotected Cadmium Selenide Nanoparticles


  • The authors acknowledge with gratitude the financial support of the National Science Foundation (CAREER Award CHE-0239486), the Eastman Kodak Company, and the Army Research Laboratory/University of Massachusetts Polymer Materials Center of Excellence (DAAD 19-01-2-0002). The authors acknowledge Dr. Javid Rzayev for helpful discussions.


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Nanoparticles functionalized with a trithiocarbonate ligand allow RAFT polymerization to be performed from their surface. Homopolymers, random copolymers, and block copolymers can be grown radially from trithiocarbonate-covered CdSe nanoparticles (see scheme). This technique gives excellent nanoparticle dispersion in a wide range of polymers, while maintaining the unique photophysical properties of the nanoparticles.

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