| 压电驱动脉动混合可控合成金纳米粒子 |
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| 引用本文： | 刘国君,杨旭豪,刘建芳,杨志刚,李新波,赵天. 压电驱动脉动混合可控合成金纳米粒子[J]. 稀有金属材料与工程, 2016, 45(6): 1625-1630 |
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| 作者姓名： | 刘国君 杨旭豪 刘建芳 杨志刚 李新波 赵天 |
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| 作者单位： | 吉林大学机械科学与工程学院,吉林大学机械科学与工程学院,吉林大学机械科学与工程学院,吉林大学机械科学与工程学院,吉林大学通信工程学院,吉林大学机械科学与工程学院 |
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| 基金项目： | 国家自然科学基金资助(项目号51375207) |
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| 摘 要： | 在用柠檬酸钠作还原剂还原氯金酸的基础上,提出了一种压电驱动式脉动微混合可控合成金纳米粒子的制备方法。分析了金纳米粒子的合成机理及脉动微混合的工作原理。针对不同的浓度比(Na_3C_6H_5O_7:HAuCl_4)和脉动混合频率设计并开展了相关金纳米粒子可控合成试验,利用紫外可见分光光度计和透射电子显微镜对所得样品的光学特性、粒子粒径、粒子偏差及单分散性进行了表征,分析了浓度比和频率对试验结果的影响。结果表明:利用压电驱动式脉动微混合法,通过控制两相制剂的浓度比和脉动混合频率,一定程度上可以实现金纳米粒子的可控合成。
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| 关 键 词： | 金纳米粒子 脉动混合 可控合成 压电 |
| 收稿时间： | 2015-01-04 |
| 修稿时间： | 2015-05-12 |
Controlled Synthesis of Gold Nanoparticles Using Pulsed Mixing based on Piezoelectric Actuation |
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| Liu Guojun,Yang Xuhao,Liu Jianfang,Yang Zhigang,Li Xinbo and Zhao Tian. Controlled Synthesis of Gold Nanoparticles Using Pulsed Mixing based on Piezoelectric Actuation[J]. Rare Metal Materials and Engineering, 2016, 45(6): 1625-1630 |
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| Authors: | Liu Guojun Yang Xuhao Liu Jianfang Yang Zhigang Li Xinbo Zhao Tian |
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| Affiliation: | College of Mechanical Science and Engineering,Jilin University,College of Mechanical Science and Engineering,Jilin University,College of Mechanical Science and Engineering,Jilin University,College of Mechanical Science and Engineering,Jilin University,College of Communication Engineering,Jilin University,College of Mechanical Science and Engineering,Jilin University |
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| Abstract: | On the basis of using sodium citrate as a reducing agent to reduce chloroauric acid, a synthesis-controlled method of gold nanoparticles is presented by using the pulsed micromixing technology actuated by PZT actuators. The synthesis mechanism of gold nanoparticles and working principle of pulsed micromixing are analysed. According to different concentration ratio (Na3C6H5O7:HAuCl4) and pulsed mixing frequency, the relevant controlled synthesis tests of gold nanoparticles are designed and carried out. The characteristics of obtained specimen including optical properties, particle size, particle deviation and monodispersity are characterized using UV-vis and TEM. The effect of concentration ratio and frequency to the test results is analyzed. The test results show that controlled synthesis of gold nanoparticles can be realized using the pulsed micromixing method based on piezoelectric actuation, by controlling the concentration ratio of two preparations and pulsed mixing frequency. |
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| Keywords: | gold nanoparticles pulsed mixing synthesis-controll PZT |
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