Colloid and Polymer Science

, Volume 287, Issue 7, pp 829–837 | Cite as

Controllable fabrication of nanocrystal-polymer hybrids via the catalytic chain transfer polymerization process

  • Cai-Feng Wang
  • Yu-Peng Cheng
  • Ji-Yi Wang
  • Dong Zhang
  • Lin-Rui Hou
  • Li Chen
  • Su Chen
Original Contribution


A facile catalytic chain transfer polymerization (CCTP) technique has been developed to synthesize covalently linked CdS nanocrystal-polymer hybrids with good optical properties. The in situ polymerization of methyl methacrylate (MMA) on the surface of modified CdS nanocrystals (NCs) with diameter of 5 nm via CCTP process yielded CdS-polymethylmethacrylate (PMMA) hybrid nanocomposites; while the incorporation of hydroxyl-coated CdS NCs into poly(methacryloxypropyltrimethoxysilane) (PMPS)-co-PMMA matrices prepared by CCTP afforded CdS-PMPS-co-PMMA hybrid nanocomposites, which were further cross-linked by free radical polymerization to form CdS NC-polymer network. The spectroscopic studies indicate that as-prepared CdS NC-polymer hybrids show good photoluminescence (PL) and the NC-polymer network exhibits highly enhanced PL property with respect to that before cross-linking. Also described are the probable mechanism for the catalytic chain transfer polymerization on the surface of modified nanocrystal and the measurement of chain transfer constants.


CdS nanocrystal Catalytic chain transfer polymerization (CCTP) Grafting polymerization Optical properties 


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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • Cai-Feng Wang
    • 1
  • Yu-Peng Cheng
    • 1
  • Ji-Yi Wang
    • 1
  • Dong Zhang
    • 1
  • Lin-Rui Hou
    • 1
  • Li Chen
    • 1
  • Su Chen
    • 1
  1. 1.State Key Laboratory of Material-Oriented Chemical Engineering, College of Chemistry and Chemical EngineeringNanjing University of TechnologyNanjingPeople’s Republic of China

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