Journal
NANOTECHNOLOGY
Volume 18, Issue 6, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/18/6/065501
Keywords
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Funding
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [0853066] Funding Source: National Science Foundation
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While there have been numerous reports on the electromechanical actuation of carbon nanotubes (CNTs), devices based on the photomechanical actuation of CNTs have been elusive until now. In this paper, we report the integration of single-wall carbon nanotube ensembles into micro-mechanical systems to realize a new carbon nanotube micro-opto-mechanical system (CNT-MOMS). CNT-MOM grippers were fabricated using CMOS compatible techniques involving nanotube film forming, wafer bonding, photolithography, plasma etching and dry release. A MOM-gripper displacement of similar to 24 mu m was obtained from a gripper of 430 mu m in length under infrared laser stimulus and continuous operation of more than 140 000 cycles was acquired. The optical power consumption of the gripper operation was estimated to be as small as similar to 240 mu W. Manipulation of polystyrene microspheres in air was demonstrated using CNT-MOMS grippers. This study is one good example of how nanomaterials could be integrated into CMOS compatible techniques for applications in high performance MEMS and nanoscale actuation technologies.
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