Carbon nanotube four-terminal devices for pressure sensing applications
Paper
Paper/Presentation Title | Carbon nanotube four-terminal devices for pressure sensing applications |
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Presentation Type | Paper |
Authors | Dinh, Toan (Author), Nguyen, Tuan-Khoa (Author), Phan, Hoang-Phuong (Author), Ghavamian, Ali (Author), Tran, Canh-Dung (Author), Dau, Thanh-Van (Author), Nguyen, Nam-Trung (Author) and Dao, Dzung Viet (Author) |
Number of Pages | 9 |
Year | 2018 |
Web Address (URL) of Paper | http://sdm-18.kesinternational.org/SEBSDM18-Flyer.pdf |
Conference/Event | KES International Conferences on Sustainable Design and Manufacturing (SDM-18) and Sustainability in Energy and Buildings (SEB-18) |
Event Details | KES International Conferences on Sustainable Design and Manufacturing (SDM-18) and Sustainability in Energy and Buildings (SEB-18) Event Date 24 to end of 26 Jun 2018 Event Location Gold Coast, Australia |
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 ar-ranged 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 100µA 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. |
Keywords | carbon nanotube, pressure sensor, flexible/stretchable devices |
ANZSRC Field of Research 2020 | 401602. Composite and hybrid materials |
Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
Byline Affiliations | Griffith University |
School of Mechanical and Electrical Engineering | |
Sumitomo Chemical, Japan | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q4x75/carbon-nanotube-four-terminal-devices-for-pressure-sensing-applications
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