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Chemical vs. Sonochemical Synthesis and Characterization of Silver, Gold, and Hybrid Nanoparticles

机译：化学与声化学合成和表征银，金和杂化纳米粒子

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Silver (Ag), gold (Au), and alloy nanoparticles synthesized chemically and Au-Ag core-shell sonochemically produced nanoparticles were investigated for their potential applications in solar cells, biology, transistors, and light-emitting diodes (LEDs). The alloy or core-shell structure can be useful for creating new particles that have the properties of both the core material and the shell material. The Au, Ag, and Au-Ag nanoparticles were characterized optically and structurally by using ultraviolet-visible (UV-Vis) spectroscopy and high resolution transmission electron microscope (HRTEM), respectively. A novel sonochemical approach was used in contrast to the chemical alloy method. The sonochemical approach was used with varying parameters to determine the optimal synthesis parameters for precise control of particle size, geometry, and electrical properties. It was determined that a longer duration of sonication decreased the particle size of the Au-Ag nanoparticles and that the core-shell particles exhibited absorption wavelengths similar to Au nanoparticles, suggesting that Au composes the core of the nanoparticle, but the Ag did not create a shell structure as hoped.

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Dandekar, V. V.; Cramer, H. E.; Lee, E. N.; Griep, M. H.; Karna, S. P.;
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年度 2011
页码 1-24
总页数 24
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Chemical analysis ; Gold ; Particle size ; Silver ; Absorption ; Alloys ; Chemicals ; Contrast ; Control ; Electrical properties ; Frequency ; Geometry ; Hybrid systems ; Light emitting diodes ; Materials ; Optimization ; Parameters ; Particles ; Precision ; Spectroscopy ; Synthesis;

机译：化学分析;金;粒径;银;吸收;合金;化学品;对比;控制;电性能;频率;几何;混合系统;发光二极管;材料;优化;参数;颗粒;精密度;光谱学;合成;

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Chemical vs. Sonochemical Synthesis and Characterization of Silver, Gold, and Hybrid Nanoparticles

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