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Synthesis of CuS nanocrystal in cationic gemini surfactant W/O microemulsion

โœ Scribed by Lifei Chen; Yazhuo Shang; Honglai Liu; Ying Hu

Publisher
Elsevier Science
Year
2010
Weight
368 KB
Volume
31
Category
Article
ISSN
0261-3069

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โœฆ Synopsis

In the water-in-oil (W/O) microemulsion stabilized by the cationic gemini surfactant alkanediyl-a, x (dimethydodecyl-ammonium bromide) (12-3-12, 2Br ร€1 ), CuS nanorod, tube-like, and star sheet-like structures are successfully prepared. The effect of the concentration ratio of S 2ร€ to Cu 2+ , molar ratio (x 0 ) of water to surfactant in solution, incubation time, and absolute reactant concentration on the morphology and size of CuS nanocrystal have been investigated. The properties of the products and their morphologies are characterized by X-ray powder diffraction (XRD), UV-vis absorption spectrum and transmission electron microscopy (TEM). The growth mechanics of the nanocrystal with different morphology is also supposed.

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