Carbon nanotube four-terminal devices for pressure sensing applications

Dinh, Toan ORCID: https://orcid.org/0000-0002-7489-9640 and Nguyen, Tuan-Khoa and Phan, Hoang-Phuong and Tran, Canh-Dung ORCID: https://orcid.org/0000-0002-1011-4226 and Dau, Van and Nguyen, Nam-Trung and Dao, Dzung Viet (2019) Carbon nanotube four-terminal devices for pressure sensing applications. In: Sustainable design and manufacturing 2018: proceedings of the 5th international conference on sustainable design and manufacturing (KES-SDM-18). Smart Innovation, Systems and Technologies, v. 130, 130. Springer Nature, Switzerland, pp. 199-208. ISBN 978-3-030-04289-9

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Abstract

Carbon nanotubes (CNTs) are of high interest for sensing applications,owing to their superior mechanical strength, high Young’s modulus and low density. In this work, we report on a facile approach for the fabrication of carbon nanotube devices using a four terminal configuration. Oriented carbon nanotube films were pulled out from a CNT forest wafer and then twisted into a yarn. Both the CNT film and yarn were arranged on elastomer membranes/diaphragms which were arranged on a laser cut acrylic frame to form pressure sensors. The sensors were calibrated using a precisely controlled pressure system, showing a large change of the output voltage of approximately 50 mV at a constant supply current of 100 μA and under a low applied pressure of 15 mbar. The results indicate the high potential of using CNT films and yarns for pressure sensing applications.


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Item Type: Book Chapter (Commonwealth Reporting Category B)
Refereed: Yes
Item Status: Live Archive
Additional Information: Accepted version deposited in accordance with the copyright policy of the publisher.
Faculty/School / Institute/Centre: Current - Faculty of Health, Engineering and Sciences - School of Mechanical and Electrical Engineering (1 Jul 2013 -)
Faculty/School / Institute/Centre: Current - Faculty of Health, Engineering and Sciences - School of Mechanical and Electrical Engineering (1 Jul 2013 -)
Date Deposited: 11 Mar 2019 03:00
Last Modified: 07 Feb 2020 02:40
Uncontrolled Keywords: carbon nanotube, pressure sensor, flexible/stretchable devices
Fields of Research (2008): 09 Engineering > 0912 Materials Engineering > 091202 Composite and Hybrid Materials
Fields of Research (2020): 40 ENGINEERING > 4016 Materials engineering > 401602 Composite and hybrid materials
Socio-Economic Objectives (2008): E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering
Identification Number or DOI: https://doi.org/10.1007/978-3-030-04290-5
URI: http://eprints.usq.edu.au/id/eprint/35661

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