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한국전기전자재료학회
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2019-11-01
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IT소재부품, 해외동향, IT부품정보, IT부품정보 네트워크,
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Nanoscale gold particles have been intensively researched due to their potential applications in catalysis, electronics, plasmonics, and biological assays. In our study, we fabricated gold nanoparticles (NPs) that were synthesized in an aqueous environment via the reduction of HAuCl4 by ascorbic acid (AC) with a sodium citrate (SC) surfactant. Highly monodispersed gold particles with sizes ranging from 123 to 184 nm were prepared in high-yield by a surfactant concentration. The structural and optical properties of the synthesized gold nanoparticles were characterized by transmission electron microscopy (TEM) and UV–vis spectroscopy. The prepared nanoparticles exhibited efficient surface-enhanced Raman scattering (SERS) properties that were dependent on their on size.