Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 264, Issue 1-3, Pages 172-178Publisher
ELSEVIER
DOI: 10.1016/j.colsurfa.2005.05.059
Keywords
reverse micelles; microemulsion template; surfactant; CdS; quasi-nanospheres; nanoshuttles; nanowires; nanotubes
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A series of CdS nanomaterials with different morphologies and structures were self-assembled in a simple reverse micelle solvent system containing cyclohexane, aqueous solution, n-pentanol and surfactant. Cds quasi-nanospheres (i.d. 200-500nm), Cds nanoshuttles (i.d. 248 nm and length similar to 450 nm), Cds nanowires (i.d. similar to 46 nm and length 1.65-4.15 mu m) and Cds nanotubes (inner i.d. 25 nm, outer i.d. 38 nm and length similar to 400nm long) were produced by employing the surfactant of Tween-80, Peregals, C12E9 and Triton X-100, respectively. The Cds nanomaterials were found to possess different optical properties from the bulk CdS when analyzed by photoluminescence and UV-visible spectroscopy. A mechanism involving the possible formation of nanomaterials based on surfactant microemulsion template was also proposed. (c) 2005 Elsevier B.V. All rights reserved.
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