Synthesis and Characterization of ZnS and CdS Nanoparticles in Microemulsion
Zaiyin Huang
Abstract
Zaiyin Huang
Abstract
Applied zinc acetate,cadmium nitrate and sodium sulfide as raw material,ZnS and CdS nanoparticles was synthesized by microemulsion method at room temperature.The product was characterized by TEM,XRD,Raman,UV-Vis and PL.The results showed that the particle size of synthetic ZnS nanocrystalline was about 25nm,as cubic β-ZnS phase;the value of ω had an important effect on the synthetic nano-CdS morphology and particle size.The particle size of CdS nanometer was about 5nm and the nanoparticle showed obvious features in the UV absorption spectra and fluorescence emission spectra,could be used as fluorescent quantum dot.
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Applied zinc acetate,cadmium nitrate and sodium sulfide as raw material,ZnS and CdS nanoparticles was synthesized by microemulsion method at room temperature.The product was characterized by TEM,XRD,Raman,UV-Vis and PL.The results showed that the particle size of synthetic ZnS nanocrystalline was about 25nm,as cubic β-ZnS phase;the value of ω had an important effect on the synthetic nano-CdS morphology and particle size.The particle size of CdS nanometer was about 5nm and the nanoparticle showed obvious features in the UV absorption spectra and fluorescence emission spectra,could be used as fluorescent quantum dot.
Key concepts: Microemulsion, Cadmium nitrate, Nanoparticle, Nanocrystalline material, Particle size, Zinc sulfide, Cadmium sulfide, Raman spectroscopy