通过绿色方法制备稳定的银纳米颗粒

The 8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems Pub Date : 2013-04-07 DOI:10.1109/NEMS.2013.6559955

Wenbin Li, Cheng Wang, Wei Zhang, Weixiang Ye, Shun Huang, Zhao Yue, Guohua Liu

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引用次数: 3

摘要

我们提出了一种通过选择合适的材料和溶剂来合成纳米银的新方法。这是一种在水介质中使用的绿色、直接的方法。此外，实验中使用了无毒试剂，过程是环保的。这种绿色方法需要三种来自可再生资源的试剂(葡聚糖、托伦试剂、葡萄糖)。研究了托伦斯试剂浓度对银纳米粒子形成和储存稳定性的影响。采用透射电子显微镜(TEM)、能谱仪(EDS)和紫外可见光谱(UV-vis)对纳米银进行了表征。结果表明，反应参数对银纳米粒子的尺寸、形成速率和分布有显著影响。该方法简单、经济，可用于大规模合成。

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Fabrication of stable silver nanoparticles through a green approach

We had suggested a novel method for the synthesis of silver nanoparticles by suitable choice of materials and solvents. It was a green, straight forward method in an aqueous medium. Additionally, nontoxic reagents were used in the experiment and the process was environmentally friendly. This green approach needs three reagents (dextran, tollens' reagent, glucose) which come from renewable resources. The effects of the concentration of tollens' reagent on silver nanoparticles formation and storage stability were studied. The silver nanoparticles were characterized by transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS) and UV-vis spectroscopy. The results indicated that the reaction parameters significantly affected the size, formation rate and distribution of the silver nanoparticles. This method is simple and economical therefore may be practical for large-scale synthesis.

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The 8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems

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