Pen-drawn Marangoni swimmer

Seo Woo Song (), Sumin Lee, Jun Kyu Choe, Amos Chungwon Lee, Kyoungseob Shin, Junwon Kang, Gyeongjun Kim, Huiran Yeom, Yeongjae Choi, Sunghoon Kwon () and Jiyun Kim ()
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Seo Woo Song: Seoul National University
Sumin Lee: Seoul National University
Jun Kyu Choe: Ulsan National Institute of Science and Technology (UNIST)
Amos Chungwon Lee: Seoul National University
Kyoungseob Shin: Seoul National University
Junwon Kang: Seoul National University
Gyeongjun Kim: Seoul National University
Huiran Yeom: The University of Suwon
Yeongjae Choi: Gwangju Institute of Science and Technology (GIST)
Sunghoon Kwon: Seoul National University
Jiyun Kim: Ulsan National Institute of Science and Technology (UNIST)

Nature Communications, 2023, vol. 14, issue 1, 1-11

Abstract: Abstract Pen-drawing is an intuitive, convenient, and creative fabrication method for delivering emergent and adaptive design to real devices. To demonstrate the application of pen-drawing to robot construction, we developed pen-drawn Marangoni swimmers that perform complex programmed tasks using a simple and accessible manufacturing process. By simply drawing on substrates using ink-based Marangoni fuel, the swimmers demonstrate advanced robotic motions such as polygon and star-shaped trajectories, and navigate through maze. The versatility of pen-drawing allows the integration of the swimmers with time-varying substrates, enabling multi-step motion tasks such as cargo delivery and return to the original place. We believe that our pen-based approach will significantly expand the potential applications of miniaturized swimming robots and provide new opportunities for simple robotic implementations.

Date: 2023
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DOI: 10.1038/s41467-023-39186-x

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