Flexible impedance and capacitive tensile load Sensor based on CNT composite

doi:10.1088/1674-1056/25/2/028801

中国物理B ›› 2016, Vol. 25 ›› Issue (2): 28801-028801.doi: 10.1088/1674-1056/25/2/028801

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇下一篇

Flexible impedance and capacitive tensile load Sensor based on CNT composite

Zubair Ahmad, Kh S Karimov, Farid Touati

1. Department of Electrical Engineering, College of Engineering, Qatar University, Doha 2713, Qatar;
2. Ghulam Ishaq Khan Institute of Engineering Sciences and Technology, Topi, District Swabi, KPK, 23640, Pakistan;
3. Center for Innovative Development of Science and New Technologies, Academy of Sciences, Aini St., 299/2, Dushanbe, 734063, Tajikistan

收稿日期:2015-08-24 修回日期:2015-09-20 出版日期:2016-02-05 发布日期:2016-02-05
通讯作者: Zubair Ahmad E-mail:zubairtarar@qu.edu.qa

Flexible impedance and capacitive tensile load Sensor based on CNT composite

Zubair Ahmad¹, Kh S Karimov^2,3, Farid Touati¹

1. Department of Electrical Engineering, College of Engineering, Qatar University, Doha 2713, Qatar;
2. Ghulam Ishaq Khan Institute of Engineering Sciences and Technology, Topi, District Swabi, KPK, 23640, Pakistan;
3. Center for Innovative Development of Science and New Technologies, Academy of Sciences, Aini St., 299/2, Dushanbe, 734063, Tajikistan

Received:2015-08-24 Revised:2015-09-20 Online:2016-02-05 Published:2016-02-05
Contact: Zubair Ahmad E-mail:zubairtarar@qu.edu.qa

摘要/Abstract

摘要： In this paper, the fabrication and investigation of flexible impedance and capacitive tensile load sensors based on carbon nanotube (CNT) composite are reported. On thin rubber substrates, CNTs are deposited from suspension in water and pressed at elevated temperature. It is found that the fabricated load cells are highly sensitive to the applied mechanical force with good repeatability. The increase in impedance of the cells is observed to be 2.0 times while the decrease in the capacitance is found to be 2.1 times as applied force increases up to 0.3 N. The average impedance and capacitive sensitivity of the cell are equal to 3.4 N^-1 and 1.8 N^-1, respectively. Experimental results are compared with the simulated values, and they show that they are in reasonable agreement with each other.

关键词: carbon nanotubes, flexible, tensile load, impedance, capacitive

Abstract: In this paper, the fabrication and investigation of flexible impedance and capacitive tensile load sensors based on carbon nanotube (CNT) composite are reported. On thin rubber substrates, CNTs are deposited from suspension in water and pressed at elevated temperature. It is found that the fabricated load cells are highly sensitive to the applied mechanical force with good repeatability. The increase in impedance of the cells is observed to be 2.0 times while the decrease in the capacitance is found to be 2.1 times as applied force increases up to 0.3 N. The average impedance and capacitive sensitivity of the cell are equal to 3.4 N^-1 and 1.8 N^-1, respectively. Experimental results are compared with the simulated values, and they show that they are in reasonable agreement with each other.

Key words: carbon nanotubes, flexible, tensile load, impedance, capacitive

中图分类号: (Carbon nanotubes)

88.30.rh

42.70.Jk (Polymers and organics) 47.80.Fg (Pressure and temperature measurements)

Zubair Ahmad, Kh S Karimov, Farid Touati. Flexible impedance and capacitive tensile load Sensor based on CNT composite[J]. 中国物理B, 2016, 25(2): 28801-028801.

Zubair Ahmad, Kh S Karimov, Farid Touati. Flexible impedance and capacitive tensile load Sensor based on CNT composite[J]. Chin. Phys. B, 2016, 25(2): 28801-028801.

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Flexible impedance and capacitive tensile load Sensor based on CNT composite

Flexible impedance and capacitive tensile load Sensor based on CNT composite

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