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http://dx.doi.org/10.5012/bkcs.2006.27.3.377

Synthesis and Optical Properties of the Semiconductor Lead Sulfide Nanobelts  

Yang, Xiao hong (Department of Chemistry, Tongji University)
Wu, Qing Sheng (Department of Chemistry, Tongji University)
Ding, Ya Ping (Department of Chemistry, Shanghai University)
Liu, Jin ku (Department of Chemistry, East China University of Science and Technology)
Publication Information
Bulletin of the Korean Chemical Society / v.27, no.3, 2006 , pp. 377-380 More about this Journal
Abstract
The semiconductor PbS nanobelts (width 50-120 nm and length over 3 $\mu$m) were self-assembled in a simple reverse micelle solvent system containig the surfactant of polyoxyethylene (9) dodecy ether $(C_{12}E_9)$. 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.
Keywords
Reverse micelles; Controlled synthesis; PbS; Nanobelt;
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