Journal
NEW JOURNAL OF CHEMISTRY
Volume 39, Issue 6, Pages 4676-4684Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nj00532a
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- council of University of Kashan [159271/268]
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In the present work, Bi nanostructures were successfully synthesized with the aid of Bi(NO3)(3)center dot 5H(2)O as the starting reagent in the presence of propylene glycol as the solvent and surfactant through the very fast and convenient microwave-assisted polyol method. In addition, the effects of preparation parameters such as irradiation time, pH and solvent on the reaction time, morphology and particle size of Bi nanostructure were studied by SEM images. It was found that the reaction time, size and morphology of the products could be greatly influenced by the aforementioned parameters. To the best of our knowledge, this is the first report on the synthesis of Bi nanostructures with different morphologies by microwave-assisted polyol process. The as-synthesized products were characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), ultraviolet-visible (UV-vis) and spectra energy dispersive analysis of X-ray (EDS). Finally, as an application, the synthesized Bi NSs with purified MWCNT were applied for the modification of a pencil graphite electrode for an ultra-trace sensing of Pb2+ ions. In this way, by the use of Bi-NPs/puMWCNT/PGE, the limit of detection for Pb2+ was found to be 1.7 nmol L-1.
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