Publication Type:

Journal Article

Source:

Ultrasonics Sonochemistry, Volume 14, Number 3, p.398 - 404 (2007)

URL:

http://www.sciencedirect.com/science/article/pii/S1350417706001088

Keywords:

Cryo-TEM

Abstract:

High aspect ratio (>1000) CdS nanostructures were prepared via ultrasound treatment of parent nanowires (NWs) dispersed in sodium dodecyl sulfate (SDS) aqueous solution. The CdS parent \{NWs\} were prepared using ordered mesoporous silica, SBA-15, as a template. The elongated nanostructures (ENS), namely, NWs, nanoribbons and nanotubes, form stable dispersions in aqueous solutions. Electron microscopy and X-ray diffraction techniques were used to characterize both the parent \{NWs\} and the ENS. While the structure of the parent \{NWs\} is crystalline cubic, the \{ENS\} are amorphous. We show that the amorphous \{ENS\} bud from the parent bundled NWs. Ultrasound power and duration, presence of commensurate surfactant and calcination temperature of the templating SBA-15 are critical parameters in the formation of \{ENS\} in aqueous solution.

Cite this Research Publication

Dr. T. Rajagopalan, Levi-Kalisman, Y., and Regev, O., “Synergetic effect of ultrasound and sodium dodecyl sulphate in the formation of CdS nanostructures in aqueous solution”, Ultrasonics Sonochemistry, vol. 14, pp. 398 - 404, 2007.

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