Multimodal collective swimming of magnetically articulated modular nanocomposite robotsopen access
- Authors
- Won, Sukyoung; Lee, Hee Eun; Cho, Young Shik; Yang, Kijun; Park, Jeong Eun; Yang, Seung Jae; Wie, Jeong Jae
- Issue Date
- Nov-2022
- Publisher
- NATURE PORTFOLIO
- Citation
- NATURE COMMUNICATIONS, v.13, no.1, pp.1 - 11
- Indexed
- SCIE
SCOPUS
- Journal Title
- NATURE COMMUNICATIONS
- Volume
- 13
- Number
- 1
- Start Page
- 1
- End Page
- 11
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/172869
- DOI
- 10.1038/s41467-022-34430-2
- ISSN
- 2041-1723
- Abstract
- Magnetically responsive composites can impart maneuverability to miniaturized robots. However, collective actuation of these composite robots has rarely been achieved, although conducting cooperative tasks is a promising strategy for accomplishing difficult missions with a single robot. Here, we report multimodal collective swimming of ternary-nanocomposite-based magnetic robots capable of on-demand switching between rectilinear translational swimming and rotational swimming. The nanocomposite robots comprise a stiff yet lightweight carbon nanotube yarn (CNTY) framework surrounded by a magnetic polymer composite, which mimics the hierarchical architecture of musculoskeletal systems, yielding magnetically articulated multiple robots with an agile above-water swimmability (similar to 180 body lengths per second) and modularity. The multiple robots with multimodal swimming facilitate the generation and regulation of vortices, enabling novel vortex-induced transportation of thousands of floating microparticles and heavy semi-submerged cargos. The controllable collective actuation of these biomimetic nanocomposite robots can lead to versatile robotic functions, including microplastic removal, microfluidic vortex control, and transportation of pharmaceuticals.
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