Journal
NATURE COMMUNICATIONS
Volume 12, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41467-021-24996-8
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Funding
- National Research Foundation (NRF) - Korean Government [NRF-2018R1A6A1A03025708]
- Basic Science Research Program through the NRF - Ministry of Education [NRF-2019R1I1A1A01059874]
- Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI) - Ministry of Health & Welfare, Republic of Korea [HI20C0068]
- KIST Institutional Program [2E31212-21-067]
- Brain Korea 21 Plus Project
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Marangoni microswimmers, driven by the Marangoni effect, can self-propel on water without external energy sources. By using a photopatterning method, these microswimmers are fabricated with multiple functional parts, enabling high throughput production. They can be programmed to perform various motions such as time-dependent direction changes and disassembly without external stimuli.
We introduce highly programmable microscale swimmers driven by the Marangoni effect (Marangoni microswimmers) that can self-propel on the surface of water. Previous studies on Marangoni swimmers have shown the advantage of self-propulsion without external energy source or mechanical systems, by taking advantage of direct conversion from power source materials to mechanical energy. However, current developments on Marangoni microswimmers have limitations in their fabrication, thereby hindering their programmability and precise mass production. By introducing a photopatterning method, we generated Marangoni microswimmers with multiple functional parts with distinct material properties in high throughput. Furthermore, various motions such as time-dependent direction change and disassembly of swimmers without external stimuli are programmed into the Marangoni microswimmers.
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