4.8 Article

Photoluminescent silicon nanocrystal-polymer hybrid materials via surface initiated reversible addition-fragmentation chain transfer (RAFT) polymerization

Journal

NANOSCALE
Volume 7, Issue 17, Pages 7811-7818

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nr00561b

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Funding

  1. Natural Sciences and Engineering Research Council of Canada (NSERC)
  2. Canada Foundation for Innovation (CFI)
  3. Alberta Science and Research Investment Program (ASRIP)
  4. University of Alberta Department of Chemistry
  5. Fonds der Chemischen Industrie (FCI)

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Silicon-polymer core-shell hybrid materials are obtained via surface initiated reversible addition-fragmentation chain transfer (RAFT) polymerization from photoluminescent silicon nanocrystals (SiNCs). Polymer grafted SiNCs and free polymers in solution are separated using ultracentrifugation. The polymerization on the surface proceeds in a living manner which is confirmed via GPC, DLS and TGA measurements. This method was applied to various other monomers. The obtained materials all show bright red photoluminescence originating from the SiNC core.

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