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- Title
A SERIES OF MONODISPERSE SILVER NANOPARTICLES BY A ONE-POT SYNTHESIS.
- Authors
TANG, LUPING; YE, YONGHONG; ZHANG, HUICHAO; LIAO, CHEN; ZONG, SHENFEI; CUI, YIPING; ZHANG, JIAYU
- Abstract
A series of monodisperse nanoparticles ( NPs), whose size can be tuned between 2 nm and 34 nm, have been successfully synthesized in one pot by controlling the growth time. The standard deviation of the small-size NPs is 12% while that of the large-size ones is 15%. During the synthesis process, sodium borohydride and sodium dodecyl sulfate were used as reducing agent and surfactant, respectively, and the effect of the synthesis parameters on the size-tuning range and the size distribution of NPs was studied to get the optimum growth condition. Moreover, surface enhanced Raman scattering (SERS) spectra were analyzed to explore the synthesis mechanism of NPs. Monodisperse Ag nanoparticles with diameters between 2 nm and 34 nm have been successfully synthesized in one-pot by controlling the growth time. It was proposed that the higher reaction temperature and appropriate concentrations of sodium borohydride and sodium dodecyl sulfate are key factors for controlling the size-shift scope and size distribution of Ag nanoparticles.
- Subjects
NANOSTRUCTURED materials synthesis; SILVER nanoparticles; SODIUM borohydride; SODIUM dodecyl sulfate; SURFACE active agents; CHEMICAL processes; SERS spectroscopy
- Publication
NANO, 2014, Vol 9, Issue 1, p-1
- ISSN
1793-2920
- Publication type
Article
- DOI
10.1142/S1793292014500052