声表面波技术在金纳米粒子可控制备中的应用  

Application of surface acoustic wave in controlled synthesis of gold nanoparticles

作　　者：刘国君[1] 张炎炎[1] 杨旭豪 李新波[2] 刘建芳[1] 杨志刚[1] 

机构地区：[1]吉林大学机械科学与工程学院,长春130022 [2]吉林大学通信工程学院,长春130022

出　　处：《吉林大学学报（工学版）》2017年第4期1102-1108,共7页Journal of Jilin University:Engineering and Technology Edition

基　　金：国家自然科学基金项目(51375207)

摘　　要：为了制备优良的金纳米粒子,提出了一种基于声表面波技术可控制备金纳米粒子的实验方法,利用声表面波微流控系统对金纳米粒子进行扰动合成,实现金纳米粒子的可控合成。利用Matlab软件对叉指换能器对数进行了参数优化,设计并制作了声表面波微流控扰动系统。针对不同加载电压设计并开展了金纳米粒子制备试验,分析了不同电压对试验结果的影响。试验结果表明:通过调控电压等控制参数,制备了具有不同浓度、形貌及单分散性的金纳米粒子,验证了本文实验方法的有效性。In order to controllably prepare gold nanoparticles with uniform size and good morphology, a synthesis method based on Surface Acoustic Wave （SAW） is proposed. The controllable microfluidic system based on SAW is used to perturb the synthesizing process and realize the controlled synthesis of gold nanoparticles. The parameters of the Interdigital Transducers （IDTs） are designed and the number of IDTs is optimized by MATLAB. Afterward, the controllable microfluidic system based on SAW is designed and manufactured. The experiments under different voltages are carried out to analyze the influence of voltage on the experiment results. Results show that the gold nanoparticles with different concentrations, morphologies and monodisperses can be synthesized under different loading voltages, which further verifies the controllability and feasibility of the proposed synthesis method.

关 键 词：流体传动与控制 声表面波 压电驱动 微流体反应器 金纳米粒子 可控合成 

分 类 号：TN384[电子电信—物理电子学]