基于电泳光散射的纳米颗粒Zeta电位分析仪的研制  

The Development of Analyzer for Nanoparticle Zeta Potential Based on Electrophoretic Light Scattering

作　　者：郝瑞锋 邱健[1,2] 彭力 骆开庆[1,2] 韩鹏 Hao Ruifeng;Qiu Jian;Peng Li;Luo Kaiqing;Han Peng(School of Physics ＆ Telecommunication Engineering, South China Normal University;Guangdong Provincial Engineering Research Center for Optoelectronic Instrunaent)

机构地区：[1]华南师范大学物理与电信工程学院 [2]广东省光电检测仪器工程技术研究中心

出　　处：《自动化与信息工程》2018年第2期1-7,12,共8页Automation & Information Engineering

基　　金：国家自然科学基金项目(61371176);广东省自然科学基金项目(2014A030313433);广东省科技计划项目(2013B060100014);广州市科技计划项目(201707010485)

摘　　要：颗粒表面Zeta电位是表征胶体分散系稳定性的重要指标,电泳光散射(ELS)法是检测纳米颗粒Zeta电位的主要方法。在ELS基本原理的基础上,研制了纳米颗粒Zeta电位分析仪样机;给出了分析仪测量光路的设计、硬件组成以及软件设计;并通过实验验证Zeta电位分析仪的准确性和稳定性。实验结果表明:该分析仪具有实时检测、测量结果准确以及稳定性好等特点。The surface Zeta potential of nanoparticles is an important index for characterization of colloidal dispersion stability and the electrophoretic light scattering（ELS） is the main measuring method for nanoparticles Zeta potential. The analyzer prototype for nanoparticles Zeta potential is developed based on ELS technology. In this paper, the basic principle of the ELS method, the optical path design of the instrument, the hardware system and the design of the software system are introduced. The accuracy and stability of the Zeta potential analyzer are verified by the design experiment and the experimental results show that the analyzer have the characteristics of real-time detection, accurate measurement results, good stability and so on.

关 键 词：ZETA电位 纳米颗粒 电泳光散射 多普勒频移 

分 类 号：TB383.1[一般工业技术—材料科学与工程] TH702[机械工程—仪器科学与技术]