Bsoul, A. and Mohamed Ali, Mohamed Sultan and Takahata, K. (2011) Piezoresistive pressure sensor using vertically aligned carbon-nanotube forests. Electronics Letters, 47 (14). 807-U94. ISSN 0013-5194
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Official URL: http://dx.doi.org/10.1049/el.2011.1498
Abstract
A pressure sensor functionalised with vertically aligned carbon nanotubes is presented. The sensor is fabricated to have a multi-walled carbon-nanotube forest supported by a deflectable 8m-thick Parylene-C membrane that is suspended by the silicon frame. The responses of the fabricated sensors are experimentally characterised. The sensitivities to positive and negative gauge pressures are found to be comparable in magnitude with the average values of -986 and +816ppm/kPa, respectively. The measurement also reveals that the temperature coefficient of resistance for the forest suspended with the Parylene membrane is -515ppm/°C and ~3× smaller than that for the forest fixed onto the silicon substrate.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | carbon nanotubes, piezoresistive devices, polymerisation |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 29573 |
| Deposited By: | Yanti Mohd Shah |
| Deposited On: | 18 Mar 2013 08:15 |
| Last Modified: | 31 Jan 2022 08:41 |
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