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Synthesis and Characterization of Core-shell ZrO2/PAAEM/PS Nanoparticles

J Wang1, TJ Shi1* and XC Jiang2

Author affiliations

1 School of Chemical Engineering, Hefei University of Technology, Hefei, 230009, People’s Republic of China

2 School of Materials Science & Engineering, University of New South Wales, Sydney, NSW, 2052, Australia

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Citation and License

Nanoscale Research Letters 2008, 4:240-246  doi:10.1007/s11671-008-9232-3

Published: 16 December 2008


This work demonstrates the synthesis of core-shell ZrO2/PAAEM/PS nanoparticles through a combination of sol–gel method and emulsifier-free emulsion polymerizaiton. By this method, the modified nanometer ZrO2cores were prepared by chemical modification at a molecular level of zirconium propoxide with monomer of acetoacetoxyethylmethacrylate (AAEM), and then copolymerized with vinyl monomer to form uniform-size hybrid nanoparticles with diameter of around 250 nm. The morphology, composition, and thermal stability of the core-shell particles were characterized by various techniques including transmission electron microscopy (TEM), X-ray diffractometer (XRD), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), and thermal-gravimetry analyzer (TGA). The results indicate that the inorganic–organic nanocomposites exhibit good thermal stability with the maximum decomposition temperature of ~447 °C. This approach would be useful for the synthesis of other inorganic–organic nanocomposites with desired functionalities.

Core-shell; ZrO2/polmer nanocomposites; Sol–gel method; Polymerization