超声法制备均匀分布的亚微米级镓铟锡合金液态金属微球
Uniformly Distributed Sub-microsized Galinstan Liquid Metal Microspheres Prepared by Ultrasoic Method
摘 要
采用超声法制备了镓铟锡合金（Galinstan）液态金属微球，研究了超声工艺参数对Galinstan微球粒径的影响规律，然后通过控制沉降时间进行多次沉降，得到了均匀分布的亚微米级Galinstan微球。结果表明：Galinstan微球粒径随着超声时间、功率的增加而减小，随着超声温度、溶剂表面张力的增加而增大，通过优化超声工艺参数，可以获得粒径小于2 μm的Galinstan微球；经过多次沉降去除沉降的大粒径微球，可以获得粒径分布范围为0.2~0.8 μm的Galinstan微球，大大提高了微球粒径分布均匀性。
液态金属
亚微米级镓铟锡合金微球
粒径
工艺参数
ultrosonic method
liquid metal
sub-microsized Galinstan microsphere
diameter
process parameter
Abstract
Gallium-indium-tin alloy (Galinstan) liquid metal microspheres were prepared by ultrasonic method, and the effects of ultrasonic process parameters on the diameter of Galinstan microspheres were studied. Then, the uniformly distributed sub-microsized Galinstan microspheres were obtained by controlling the settling time. The results show that the diameter of Galinstan microspheres decreased with the increase of ultrasonic time and power, and increased with the increase of ultrasonic temperature and solvent surface tension. By optimizing the ultrasonic process parameters, Galinstan microspheres with the diameter less than 2 μm could be obtained. Galinstan microspheres with a diameter range of 0.2-0.8 μm could be obtained by multiple sedimentation to remove the large-size microspheres. This method could greatly improve the homogeneity of particle diameter distribution of the microspheres.
中图分类号 TB31 DOI 10.11973/lhjy-wl201710002
所属栏目 试验与研究
基金项目 国家自然科学基金资助项目（51525103；11474295）
收稿日期 2017/3/6
修改稿日期
网络出版日期
作者单位点击查看
备注张配同(1990-),男,硕士研究生,主要从事柔性可穿戴设备及传感器研究
引用该论文: ZHANG Peitong,LIU Yiwei,GUO Qiang,LIU Gang,LI Runwei. Uniformly Distributed Sub-microsized Galinstan Liquid Metal Microspheres Prepared by Ultrasoic Method[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2017, 53(10): 701～706
张配同,刘宜伟,郭强,刘钢,李润伟. 超声法制备均匀分布的亚微米级镓铟锡合金液态金属微球[J]. 理化检验－物理分册, 2017, 53(10): 701～706
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【8】FASSLER A,MAJIDI C.Liquid-phase metal inclusions for a conductive polymer composite[J].Advanced Materials,2015,27(11):1928-1932.
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【14】THELEN J,DICKEY M D,WARD T. A study of the production and reversible stability of EGaIn liquid metal microspheres using flow focusing[J]. Lab on a Chip,2012,12(20):3961-3967.
【15】BROWN E N,KESSLER M R,SOTTOS N R,et al.In situ poly (urea-formaldehyde) microencapsulation of dicyclopentadiene[J]. Journal of Micro-encapsulation,2003,20(6):719-730.
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【18】DELMAS T,PIRAUX H,COUFFIN A C,et al.How to prepare and stabilize very small nanoemulsions[J].Langmuir,2011,27(5):1683-1692.
【19】BANG J H,SUSLICK K S. Applications of ultrasound to the synthesis of nanostructured materials[J]. Advanced Materials,2010,22(10):1039-1059.
【20】叶菁.一种测定液体表面张力系数的新方法[J].理化检验-物理分册,2014,50(12):886-889.
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