利用压电微泵驱动和脉动混合可控合成金纳米粒子

赵天; 杨志刚; 刘建芳; 刘国君; 王浩; 李思明

doi:10.3788/OPE.20142204.0904

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利用压电微泵驱动和脉动混合可控合成金纳米粒子

微纳技术与精密机械 | 更新时间：2020-08-13

- 利用压电微泵驱动和脉动混合可控合成金纳米粒子
- Controlled synthesis of gold nanoparticles based on PZT micropump and pulsating mixing
- 光学精密工程 2014年22卷第4期页码：904-910
- 作者机构：
  
  吉林大学机械科学与工程学院,吉林长春,130025
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目（No.51375207）()
- DOI：10.3788/OPE.20142204.0904
  中图分类号： TN384
- 收稿日期：2013-12-05，
  
  修回日期：2014-02-03，
  
  纸质出版日期：2014-04-25
- 稿件说明：
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赵天, 杨志刚, 刘建芳等. 利用压电微泵驱动和脉动混合可控合成金纳米粒子[J]. 光学精密工程, 2014,22(4): 904-910

ZHAO Tian, YANG Zhi-gang, LIU Jian-fang etc. Controlled synthesis of gold nanoparticles based on PZT micropump and pulsating mixing[J]. Editorial Office of Optics and Precision Engineering, 2014,22(4): 904-910
赵天, 杨志刚, 刘建芳等. 利用压电微泵驱动和脉动混合可控合成金纳米粒子[J]. 光学精密工程, 2014,22(4): 904-910 DOI： 10.3788/OPE.20142204.0904.

ZHAO Tian, YANG Zhi-gang, LIU Jian-fang etc. Controlled synthesis of gold nanoparticles based on PZT micropump and pulsating mixing[J]. Editorial Office of Optics and Precision Engineering, 2014,22(4): 904-910 DOI： 10.3788/OPE.20142204.0904.

摘要

为了合成粒径均一、单分散性好的金纳米粒子，提出一种压电驱动式脉动微混合可控合成金纳米粒子的方法。该方法采用两腔三阀结构的压电微泵作为驱动源，结合Y形微混合器，基于两压电微泵脉动交叉式输出性能来实现多种不同混合模式的可控混合。利用Fluent软件对Y形微混合器内不同流量及频率下的混合效果进行了优化分析，优选出了压电微泵的控制参数。在实验室内设计、制作了用于金纳米粒子可控合成的系统样机，并开展了相应的金纳米粒子可控合成试验。试验结果表明：电压为40 V，频率为300 Hz时，合成的金纳米粒子粒径较为均一，分散性较好，该结果验证了文中所提方法的可行性。此方法亦可应用于其他纳米粒子的可控合成。

Abstract

To prepare gold nanoparticles with uniform sizes

fine morphology and good monodispersity

a synthesis-controlled method was presented by using the pulsating micromixing technology actuated by PZT actuators. For this synthesis method

the PZT micropumps with dual-chambers and three check valves were acted as the driving source

a Y type micro-channel was used as the mixer

and the controllable mixing with different mixing modes could be implemented based on the pulsating output performance of the micropumps in cross phases. Using the FLUENT software

the mixing effect for the Y type micro-mixer under different flow rates and frequencies was analyzed optimally

and the control parameters of PZT micropumps were optimized. A system prototype worked at a lab was designed for the synthesis-controlled of gold nanoparticles

and the corresponding preparation tests of gold nanoparticles were also carried out. The test results show that under a voltage of 40 V

a frequency of 300 Hz

the gold nanoparticles prepared have uniform sizes

good monodispersity

which verifies the feasibility of the proposed method preliminarily. This method can also be applied in the controllable synthesis of other nanoparticles.

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Keywords

references

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