Formation of a core-shell droplet in a thermo-responsive ionic liquid/water mixture by using optical tweezers

被引：3
作者：
Tanaka, Maho [1 ]
Tsuboi, Yasuyuki [1 ]
Yuyama, Ken-ichi [1 ]
机构：
[1] Osaka Metropolitan Univ, Grad Sch Sci, Dept Chem, Sumiyoshi Ku, 3-3-138 Sugimoto, Osaka 5588585, Japan
来源：
CHEMICAL COMMUNICATIONS | 2022年 / 58卷 / 84期
关键词：
PHASE-SEPARATION; CRYSTALLIZATION; NUCLEATION; WATER; TEMPERATURE; PRESSURE; DYNAMICS;
D O I：
10.1039/d2cc02699f
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Many chemical and biological processes involve phase separation; however, controlling this is challenging. Here, we demonstrate local phase separation using optical tweezers in a thermo-responsive ionic liquid/water solution. Upon near-infrared laser irradiation, a single droplet is formed at the focal spot. The droplet has a core consisting of highly concentrated ionic liquid. The mechanism of the core-shell droplet formation is discussed in view of the spatial distribution of optical and thermal potentials.
引用
收藏
页码：11787 / 11790
页数：5
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