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首页> 外文期刊>Advanced Powder Technology: The internation Journal of the Society of Powder Technology, Japan >Synthesis of stearic acid-stabilized silver nanoparticles in aqueous solution
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Synthesis of stearic acid-stabilized silver nanoparticles in aqueous solution

机译：水溶液中硬脂酸稳定的银纳米粒子的合成

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摘要

A practical and convenient method for the synthesis of highly stable and small sized silver nanoparticles with narrow distribution from 3 nm to 15 nm is reported. Silver nitrate, stearic acid and hydrazine hydrate, were used as silver precursor, capping agents and reducing agents respectively. The formation of silver nanoparticles was observed by the change of color from milky white to dark red. The silver nanoparticles were characterized by transmission electron microscopy (TEM), UV-visible spectroscopy (UV-vis) and X-ray diffraction (XRD). The results demonstrated that the obtained metallic nanoparticles were single crystalline silver nanoparticles. The effects of the reaction temperature, the amount of stearic acid and ammonia on the particle size were investigated. The obtained silver nanoparticles are stable and will possibly be used in electronic applications. The preparation method is simple and may be extended to other noble metal for other technological applications. (C) 2016 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.
机译：报道了一种实用且方便的方法，用于合成从3 nm到15 nm的窄分布的高度稳定和小尺寸的银纳米颗粒。硝酸银，硬脂酸和水合肼分别用作银前体，封端剂和还原剂。通过颜色从乳白色变为深红色观察到了银纳米颗粒的形成。通过透射电子显微镜（TEM），紫外可见光谱（UV-vis）和X射线衍射（XRD）对银纳米颗粒进行表征。结果表明，所得金属纳米颗粒为单晶银纳米颗粒。研究了反应温度，硬脂酸和氨的量对粒径的影响。所获得的银纳米颗粒是稳定的，并且将可能用于电子应用。制备方法简单，可以扩展到其他贵金属用于其他技术应用。 （C）2016日本粉末技术学会。由Elsevier B.V.和日本粉末技术学会出版。版权所有。

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