Preparation of Ag2S Nanoparticles and CuS Microstructures from the Solvent Extraction Systems by a Two-phase Thermal Method

doi:10.3724/SP.J.1095.2011.00476

Chinese Journal of Applied Chemistry ›› 2011, Vol. 28 ›› Issue (06): 683-688.DOI: 10.3724/SP.J.1095.2011.00476

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Preparation of Ag₂S Nanoparticles and CuS Microstructures from the Solvent Extraction Systems by a Two-phase Thermal Method

SUN Xia, LIU Yubing, LI Yanling, LIAO Wuping^*

(State Key Laboratory of Rare Earth Resource Utilization,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022)

Received:2010-08-13 Revised:2010-09-20 Published:2011-06-10 Online:2011-06-10

Abstract

Abstract:

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), FT-infrared 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.

Key words: Ag2S, CuS, Cyanex 301, two-phase thermal method, nanoparticles, microstructures

CLC Number:

O611.4

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(06): 683-688.

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Preparation of Ag₂S Nanoparticles and CuS Microstructures from the Solvent Extraction Systems by a Two-phase Thermal Method

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