期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 56, 期 40, 页码 12127-12131出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201705667
关键词
flow lithography; helical structures; microfluidics; micromotors; microswimmers
资金
- National Science Foundation of China [21473029, 51522302, 21327902]
- NSAF Foundation of China [U1530260]
- National Science Foundation of Jiangsu [BK20140028]
- 111 Project (Ministry of Education of China) [B17011]
- Scientific Research Foundation of Southeast University
- Scientific Research Foundation of Graduate School of Southeast University
Considerable efforts have been devoted to developing artificial micro/nanomotors that can convert energy into movement. A flow lithography integrated microfluidic spinning and spiraling system is developed for the continuous generation of bioinspired helical micromotors. Because the generation processes could be precisely tuned by adjusting the flow rates and the illuminating frequency, the length, diameter, and pitch of the helical micromotors were highly controllable. Benefiting from the fast online gelation and polymerization, the resultant helical micromotors could be imparted with Janus, triplex, and core-shell cross-sectional structures that have never been achieved by other methods. Owing to the spatially controlled encapsulation of functional nanoparticles in the microstructures, the helical micromotors can perform locomotion not only by magnetically actuated rotation or corkscrew motion but also through chemically powered catalytic reaction.
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