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Size-controlled synthesis of alginate-stabilized Cu2O@Cu nanoparticles: effect of stabilizer agent concentration on particle size
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Alginate-stabilized Cu2O@Cu nanoparticles were fabricated by chemical reduction method using nature polymer alginate as a stabilizing agent. Transmission electron microscopy (TEM), X-ray powder diffraction (XRD), infrared (FT-IR) spectrum, and UV-Vis analysis were used to investigate the morphology, size, structure, and stability of the nanoparticles synthesized. The results suggested that concentration of alginate has an effect on particle size of Cu2O@Cu. The particle size of Cu2O@Cu decreased when the alginate concentration increased. The 5% alginate-stabilized Cu2O@Cu nanoparticles have small sizes (5.5±1.6 nm). The first, the as-preprated products formed Cu2O@Cu2O core-shell nanoparticles structure and final, it would be converted to Cu2O@Cu core-shell nanoparticles structure.
Vietnam Association of Catalysis and Adsorption
Title: Size-controlled synthesis of alginate-stabilized Cu2O@Cu nanoparticles: effect of stabilizer agent concentration on particle size
Description:
Alginate-stabilized Cu2O@Cu nanoparticles were fabricated by chemical reduction method using nature polymer alginate as a stabilizing agent.
Transmission electron microscopy (TEM), X-ray powder diffraction (XRD), infrared (FT-IR) spectrum, and UV-Vis analysis were used to investigate the morphology, size, structure, and stability of the nanoparticles synthesized.
The results suggested that concentration of alginate has an effect on particle size of Cu2O@Cu.
The particle size of Cu2O@Cu decreased when the alginate concentration increased.
The 5% alginate-stabilized Cu2O@Cu nanoparticles have small sizes (5.
5±1.
6 nm).
The first, the as-preprated products formed Cu2O@Cu2O core-shell nanoparticles structure and final, it would be converted to Cu2O@Cu core-shell nanoparticles structure.
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