Citation:
SUN Xia, LIU Yubing, LI Yanling, LIAO Wuping. Preparation of Ag2S Nanoparticles and CuS Microstructures from the Solvent Extraction Systems by a Two-phase Thermal Method[J]. Chinese Journal of Applied Chemistry,
;2011, 28(6): 683-688.
doi:
10.3724/SP.J.1095.2011.00476
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Monoclinic Ag2S nanoparticles and hexagonal CuS microstructures have been successfully prepared from solvent-extraction systems by a two-phase thermal method.In these systems,the extractant Cyanex 301(di-(2,4,4-trimethylpentyl) dithiophosphinic acid) acts as not only the surfactant but also the sulfur source.The products were characterized by powder X-ray diffraction(XRD),UV-Visible spectroscopy(UV-Vis),FTinfrared spectroscopy(FTIR) and transmission/scanning electron microscopy(TEM/SEM).It is found that the size of Ag2S nanoparticles becomes bigger with the increasing temperature and the morphology and size of CuS microstructures can be controlled by the feed concentration or temperature.
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Keywords:
- Ag2S,
- CuS,
- Cyanex 301,
- two-phase thermal method,
- nanoparticles,
- microstructures
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