Sudare Tomohito, Ueno Tomonaga, Watthanaphanit Anyarat, Saito Nagahiro
Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.
Phys Chem Chem Phys. 2015 Nov 11;17(45):30255-9. doi: 10.1039/c5cp05168a.
An extraordinary high-speed synthesis of gold nanoparticles (AuNPs) was discovered by synthesizing the AuNPs in ethanol-water mixtures using a solution plasma process (SPP). The influence of the ethanol mole fraction (χethanol) in the ethanol-water mixtures on the reduction rate of gold chloride ions to AuNPs under the SPP system was studied. The results indicated that the reaction rate of the AuNPs synthesis exhibited a maximum value (i.e. 35.2 times faster than in a pure water system) at the significant point where the partial molar volumes of ethanol and water changed drastically.
通过使用溶液等离子体过程（SPP）在乙醇 - 水混合物中合成金纳米颗粒（AuNP），发现了一种非凡的高速合成方法。研究了乙醇 - 水混合物中乙醇摩尔分数（χethanol）对SPP系统下金氯离子还原为AuNP的还原速率的影响。结果表明，在乙醇和水的偏摩尔体积急剧变化的显著点处，AuNP合成的反应速率呈现最大值（即比纯水系统快35.2倍）。
