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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 27, Number 3
BKCSDE 27(3)
March 20, 2006 

Synthesis and Optical Properties of the Semiconductor Lead Sulfide Nanobelts
Xiao-hong Yang, Qing-Sheng Wu*, Ya-Ping Ding, Jin-ku Liu
Reverse micelles, Controlled synthesis, PbS, Nanobelt
The semiconductor PbS nanobelts (width 50-120 nm and length over 3 μm) were self-assembled in a simple reverse micelle solvent system containig the surfactant of polyoxyethylene (9) dodecy ether (C12E9). The nanobelts synthesized were found to possess cube galena poly-crystal structure with high purity when analyzed by ED and X-ray diffraction. Significant “blue shift” from bulk material was observed on the PbS nanobelts using photoluminescence and UV-Vis spectroscopy. A mechanism involving the possible formation of nanobelts based on surfactant template was also proposed.
377 - 380
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