研究目的
To synthesize and characterize glucuronic acid capped CdO and CdS nanoparticles using a simple, mild, and environmentally friendly method.
研究成果
Glucuronic acid-capped CdO and CdS nanoparticles were successfully synthesized using a simple and environmentally friendly method. The nanoparticles exhibited good crystallinity, spherical shape, and relatively narrow size distribution, making them suitable for biological applications due to the water-soluble nature of glucuronic acid.
研究不足
The synthesis method may have limitations in controlling the size and shape of nanoparticles beyond the quantum confinement range, and the environmental impact of using cadmium compounds.
1：Experimental Design and Method Selection:
The synthesis involved using cadmium acetate with thioacetamide for CdS and cadmium chloride with a strong base for CdO nanoparticles. Glucuronic acid was used as a capping agent.
2：Sample Selection and Data Sources:
Cadmium chloride monohydrate, cadmium acetate, methanol, sodium hydroxide, glucuronic acid, and thioacetamide were used as obtained from Sigma Aldrich.
3：List of Experimental Equipment and Materials:
Powder X-ray diffractometry (XRD), transmission electron microscopy (TEM), fourier-transform infrared spectra (FT-IR), UV-visible spectroscopy (UV), and photoluminescence (PL) were used for characterization.
4：Experimental Procedures and Operational Workflow:
CdO nanoparticles were prepared by mixing equivalent moles of cadmium chloride monohydrate and sodium hydroxide in methanol, adding glucuronic acid, stirring, and heating to 70 °C for 45 min. CdS nanoparticles were prepared by adding cadmium acetate, thioacetamide, and NaOH solution in methanol, with glucuronic acid, at 70 °C for 45 min.
5：Data Analysis Methods:
The size and morphology were analyzed using TEM, crystallinity by XRD, and optical properties by UV-visible and PL spectroscopy.
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