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Pen-drawn Marangoni swimmer

2023; Nature Portfolio; Volume: 14; Issue: 1 Linguagem: Inglês

10.1038/s41467-023-39186-x

2041-1723

Seo Woo Song, Sumin Lee, Jun Kyu Choe, Amos Chungwon Lee, Kyoungseob Shin, Jun‐Won Kang, Gyeongjun Kim, Huiran Yeom, Yeongjae Choi, Sunghoon Kwon, Jiyun Kim,

Advanced Sensor and Energy Harvesting Materials

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.