Gold nanoparticles with a precise chemical composition

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Gold nanoparticles with a precise chemical composition

机译：具有精确化学成分的金纳米颗粒

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Gold (Au) nanoparticles have unique optical, electrical, and magnetic properties that are largely determined by parameters such as particle shape, size, structure, and composition. But maintaining exact control over these parameters during the particle manufacturing process remains a challenge for researchers. Huifeng Qian et al. (pp. 696-700) report the synthesis of Au nanoparticles with a precise atomic composition of 333 Au atoms and 79 thiolate groups. The authors first reacted chloroauric acid with phenyl-ethylthiol to generate nonuniformly sized Au nanoparticles, which were heated and washed to yield stable, uniformly sized particles.

机译：金（Au）纳米粒子具有独特的光学，电和磁特性，这些特性很大程度上取决于诸如粒子形状，大小，结构和组成等参数。但是在颗粒制造过程中保持对这些参数的精确控制仍然是研究人员的挑战。钱慧峰等。（第696-700页）报道了具有333个Au原子和79个硫醇盐基团的精确原子组成的Au纳米颗粒的合成。作者首先使氯金酸与苯基乙硫醇反应生成不均匀尺寸的Au纳米颗粒，将其加热并洗涤，得到稳定，均匀尺寸的颗粒。

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《Proceedings of the National Academy of Sciences of the United States of America》 |2012年第3期|p.648|共1页
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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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机译：化学与声化学合成和表征银，金和杂化纳米粒子

Gold nanoparticles with a precise chemical composition

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