Abstract
In this paper, by a hydrothermal method and using sucrose and silver nitrate, carbon nanospheres and high purity Ag@C core-shell nanostructures were prepared. The samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), EDX and FTIR spectroscopy. The average diameter of the carbon spheres, Ag@C core-shells and their core were measured 250, 350 and 55 nm, respectively. Finally, the adsorption capacity and photocatalytic performance of the Ag@C core-shells were investigated by decomposition of methylene blue dye. The results revealed that the Ag@C core-shell show a relatively good photocatalytic performance. Highlights Ag@C core-shell nanostructures were prepared using a hydrothermal method. The dye adsorption and photocatalytic performance of the Ag@C was investigated. Methylene blue was chosen as pollutant agent. After 180 minutes UV irradiation more than 50% of the dye was decomposed.
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