期刊
ADVANCED FUNCTIONAL MATERIALS
卷 32, 期 5, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.202102265
关键词
acoustic propulsion; microrobots; motion control; nanomachines; ultrasound propulsion
类别
资金
- project Advanced Functional Nanorobots (EFRR) [CZ.02.1.01/0.0/0.0/15_003/0000444]
This review provides a comprehensive overview of the applications of ultrasound in driving micro- and nanorobots, including theory, design, fabrication methods, propulsion mechanisms, and hybrid motion with other driving methods. It highlights the potential applications of ultrasound-powered micro/nanorobots in various fields and offers a future outlook on the development of ultrasound-driven micro/nanorobots.
Ultrasound at sufficiently low amplitudes, specifically in the MHz frequency range, does little harm to the biological samples (such as cells and tissues) and provides an advantageous and well-controlled means to efficiently power microswimmers. In this review, a state-of-the-art overview of ultrasonically propelled micro- and nanorobots from the perspective of chemistry, physics, and materials science is given. First, the well-established theory of ultrasound propulsion for micro/nanorobots is introduced. Second, the setup designs for ultrasound propulsion of micro/nanorobots are classified. Following this, the presentative fabrication methods of ultrasonic micro/nanorobots are summarized in detail. After this, the mechanisms of ultrasound propulsion for micro/nanorobots are explored and discussed. The hybrid motion of magnetic-, light-, and catalytic-driven micro/nanorobots with ultrasonic actuation is then summarized and discussed. Subsequently, this review highlights and discusses representative potential applications of ultrasound-powered functional micro/nanorobots in biomedical, environmental, and other relevant fields. Lastly, this review presents a future outlook on the ultrasound-driven micro/nanorobots.
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