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CdSe/CdS—conjugated polymer core–shell hybrid nanoparticles by a grafting-from approach

Hybrid particles consisting of II–VI semiconductor quantum dots and conjugated polymers are increasingly relevant, but access is limited by the usual step-growth nature of polymer formation. We report on a grafting-from approach by controlled Pd(II)-mediated polymerization to yield CdSe/CdS nanocrystals with a defined number of polyfluorene chains grown from their surface, as concluded from MALDI-TOF analysis and quantitative end-capping. Further studies underline the importance of matching the monomers’ and the surface-bound initiators’ reactivity.

T. de Roo, S. Huber, and S. Mecking
ACS Macro Lett. 5, 786 (2016
DOI: 10.1021/acsmacrolett.6b00323