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Novel pressure and displacement sensors based on carbon nanotubes |
| Kh. S. Karimova b, Khaulah Sulaimanc, Zubair Ahmadc, Khakim M. Akhmedovd, A. Mateene |
a GIK Institute of Engineering Sciences and Technology, Topi, District Swabi, KPK, 23640, Pakistan;
b Physical Technical Institute of Academy of Sciences, Rudaki Ave. 33, Dushanbe, 734025, Tajikistan;
c Low Dimensional Materials Research Centre (LDMRC), Department of Physics, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia;
d Center for Innovative Development of Science and New Technologies of Academy of Sciences, Rudaki Ave. 33, Dushanbe, 734025, Tajikistan;
e Faculty of Materials Science and Engineering, Institute of Space Technology, Islamabad, 44000, Pakistan |
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Abstract We report newly designed pressure and displacement capacitive sensors based on a flexible paper-CNT structure. The carbon nanotube (CNT) powder was deposited on a thin paper substrate and was pressed at an elevated temperature. The sheet resistance of the paper-CNT films was in the range of 2-4 kΩ /cm2. The paper-CNT films were used to fabricate pressure and displacement sensors. The sensitivities of the pressure and the displacement sensors were found to be 17.3 pF·m2/kN and 0.93 10-3 pF/μm, respectively. The experimental results were compared with the simulated data and they found good agreement with each other.
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Received: 06 June 2014
Revised: 02 September 2014
Accepted manuscript online:
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PACS:
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88.30.rh
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(Carbon nanotubes)
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42.70.Jk
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(Polymers and organics)
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47.80.Fg
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(Pressure and temperature measurements)
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| Fund: Project supported by University Malaya Research Grant (Grant No. RP007A-13AFR). |
Corresponding Authors:
Zubair Ahmad
E-mail: zubairtarar@um.edu.my
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Cite this article:
Kh. S. Karimov, Khaulah Sulaiman, Zubair Ahmad, Khakim M. Akhmedov, A. Mateen Novel pressure and displacement sensors based on carbon nanotubes 2015 Chin. Phys. B 24 018801
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