[Synthesis of Ultra-Uniform Gold Spherical Nanoparticles with Different Sizes and Their SERS Effects Study].


A series of ultra-uniform gold spherical nanoparticles with different sizes were synthesized using gold chloride acid as precursor, ascorbic acid as reductant and sodium citrate hydrate as surfactant. The prepared Au nanoparticles were characterized by scanning electron microscope (SEM) and UV-visible spectroscopy. The results showed that the absorption… (More)


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