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Micromachines 2017, 8(6), 183; doi:10.3390/mi8060183

“Z”-Shaped Rotational Au/Pt Micro-Nanorobot

1
Provincial Jiangsu Key Laboratory for Advanced Robotics, Soochow University, Suzhou 215123, China
2
Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, China
3
Department of Micro-Nano Systems Engineering, Nagoya University, Nagoya 464-8603, Japan
4
Intelligent Robotics Institute, School of Mechatronic Engineering, Beijing Institute of Technology, Beijing 100081, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Duc Truong Pham
Received: 15 March 2017 / Revised: 27 May 2017 / Accepted: 29 May 2017 / Published: 8 June 2017
(This article belongs to the Special Issue Micro/Nano Robotics, Volume II)
View Full-Text   |   Download PDF [4426 KB, uploaded 8 June 2017]   |  

Abstract

Drug delivery, minimally-invasive surgery, and a hospital-in-the-body are highly desirable for meeting the rapidly growing needs of nanorobot. This paper reports a Z-shaped gold/platinum (Au/Pt) hybrid nanorobot which realizes the self-rotational movement without an external force field. The Z-shaped Au/Pt hybrid nanorobot was fabricated by focused ion beam (FIB) and plasma sputtering. The purity of the nanorobot was tested by energy dispersive X-ray analysis (EDS). The weight percentage of Pt and Au at the tip were 94.28% and 5.72%, respectively. The weight percentage of Pt and Au at the bottom were 17.39% and 82.75%, respectively. The size of the nanorobot was 2.58 × 10−16 m2 and the mass of the nanorobot was 8.768 × 10−8 kg. The driving force of the nanorobot was 9.76 × 10−14 N at the 6.9% concentration of hydrogen peroxide solution. The rotation speed was 13 rpm, 14 rpm, and 19 rpm at 5.6%, 6.2%, and 7.8% concentrations, respectively. View Full-Text
Keywords: nanorobot; self-actuation; drug delivery system nanorobot; self-actuation; drug delivery system
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Chen, K.; Gu, C.; Yang, Z.; Nakajima, M.; Chen, T.; Fukuda, T. “Z”-Shaped Rotational Au/Pt Micro-Nanorobot. Micromachines 2017, 8, 183.

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