Citation: Wei-cai Wang, Kai Shi, Yan-xiong Pan, Chao Peng, Zi-liang Zhao, Wei Liu, Yong-gang Liu, Xiang-ling Ji. Fabrication of Polymersomes with Controllable Morphologies through Dewetting w/o/w Double Emulsion Droplets[J]. Chinese Journal of Polymer Science, ;2016, 34(4): 475-482. doi: 10.1007/s10118-016-1769-5 shu

Fabrication of Polymersomes with Controllable Morphologies through Dewetting w/o/w Double Emulsion Droplets

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State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China

Corresponding author: Xiang-ling Ji,
Received Date: 25 October 2015
Revised Date: 18 November 2015

Fund Project: This work was financially supported by the National Natural Science Foundation of China (No. 50633030, Innovation Group: 50921062).

In this work, monodisperse giant polymersomes are fabricated by dewetting of water-in-oil-in-water double emulsion droplets which are assembled by amphiphilic block copolymer molecules in a microfluidic device. The dewetting process can be tuned by solvation between solvent and amphiphilic block copolymer to get polymersomes with controllable morphology. Good solvent (chloroform and toluene) hinders dewetting process of double emulsion droplets and gets acornlike polymersomes or patched polymersomes. On the other hand, poor solvent (hexane) accelerates the dewetting process and achieves complete separation of inner water phase from oil phase to form complete bilayer polymersomes. In addition, twin polymersomes with bilayer membrane structure are formed by this facile method. The formation mechanism for different polymersomes is discussed in detail.
- Polymersomes,
- Double emulsion droplets,
- Dewetting,
- Microfluidic device
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