Journal
PHYSICA B-CONDENSED MATTER
Volume 406, Issue 8, Pages 1389-1394Publisher
ELSEVIER
DOI: 10.1016/j.physb.2011.01.035
Keywords
Silver nanoparticles; 1-Dodecanethiol; Optical properties; Organosol; Fluorescence
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Funding
- National Natural Science Foundation of China [10776014]
- High Technical Foundation of Jiangsu Province of China [BG2007047]
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Silver nanoparticles produced by the sodium borohydride reduction of silver nitrate were stabilized by means of 1-dodecanethiol providing sulfur atom. (n-Dodecyl) trimethylammonium bromide (DTAB), which was used as a phase transfer agent in two-phase system involving water and toluene, played a significant role in the formation of monolayer-protected silver nanoparticles. These nanoparticles were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), ultraviolet-visible absorption spectroscopy (UV-vis), FT-IR spectra and fluorescence. The results indicate that the system is monodispersed and leads to the self-assembly of silver nanoparticles into O-D quanta-dot arrays. (C) 2011 Elsevier B.V. All rights reserved.
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