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Direct Synthesis Of PbS/polypyrrole Core-shell Nanocomposites Based On Octahedral PbS Nanocrystals Colloid

Shengyu Jing, Shuangxi Xing, C. Zhao
Published 2008 · Materials Science

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Abstract PbS/polypyrrole core-shell nanocomposites were successfully synthesized via in situ chemical oxidation polymerization of pyrrole based on the octahedral PbS nanocrystals colloid. Transmission electron microscopy (TEM) showed that the PbS nanocrystals are as the cores of the nanocomposites and the polypyrrole wrap the octahedral PbS nanocrystals as the shell. X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectra and UV–Vis spectra were used to characterize the structure of the obtained PbS/polypyrrole nanocomposites. A possible formation mechanism of the PbS/polypyrrole core-shell nanocomposites was also proposed.
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