Nano Archive

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

Wang, J. and Shi, T. J. and Jiang, X. C. (2009) Synthesis and Characterization of Core-shell ZrO2/PAAEM/PS Nanoparticles. Nanoscale Research Letters, 4 (3). pp. 240-246.

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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 ZrO2 cores 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.

Item Type:Article
Uncontrolled Keywords:Core-shell - ZrO2/polmer nanocomposites - Sol–gel method - Polymerization
Subjects:Analytical Science > Metrology and standards in nanotechnology
Material Science > Nanostructured materials
Material Science > Nanochemistry
ID Code:4180
Deposited By:Lesley Tobin
Deposited On:06 Aug 2009 10:16
Last Modified:06 Aug 2009 10:16

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