Bioinspired Spinosum Capacitive Pressure Sensor Based on CNT/PDMS Nanocomposites for Broad Range and High Sensitivity
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparation of Spinosum Microstructure CNT/PDMS Films as the Dielectric Layer
2.2. Preparation of the Sensor Array
2.3. Characterization of the Morphology and Performance of the CNT/PDMS-Based Spinosum Pressure Sensors
2.4. Finite Element Analysis
3. Results and Discussion
3.1. Designs for Spinosum Capacitive Pressure Sensors
3.2. The Performance of Spinosum Capacitive Pressure Sensors
3.3. The Effect of the Mesh Number of Abrasive Papers and CNT Doping Content on the Sensing Property
3.4. Application of Spinosum Capacitive Pressure Sensor
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Dielectric Layer | Materials | Sensing Range (kPa) | Sensitivity (kPa−1) | Response Time (ms) | Ref |
---|---|---|---|---|---|
pillars | SU8 | 0–30 | 0.0065 | 70 | [41] |
porous | PS/graphene/MWCNTs | 0–4.5 | 0.062 | 45 | [42] |
microdome | PDMS | 0.5–10 | 0.055 | 200 | [43] |
pyramid | PDMS | 0.5–6 | 0.185 | - | [44] |
microridge | PDMS | 0–10 | 0.148 | 20 | [45] |
spinosum | CNT/PDMS | 0–500 | 0.25 | 20 | This study |
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Duan, Y.; Wu, J.; He, S.; Su, B.; Li, Z.; Wang, Y. Bioinspired Spinosum Capacitive Pressure Sensor Based on CNT/PDMS Nanocomposites for Broad Range and High Sensitivity. Nanomaterials 2022, 12, 3265. https://doi.org/10.3390/nano12193265
Duan Y, Wu J, He S, Su B, Li Z, Wang Y. Bioinspired Spinosum Capacitive Pressure Sensor Based on CNT/PDMS Nanocomposites for Broad Range and High Sensitivity. Nanomaterials. 2022; 12(19):3265. https://doi.org/10.3390/nano12193265
Chicago/Turabian StyleDuan, Yanhao, Jian Wu, Shixue He, Benlong Su, Zhe Li, and Youshan Wang. 2022. "Bioinspired Spinosum Capacitive Pressure Sensor Based on CNT/PDMS Nanocomposites for Broad Range and High Sensitivity" Nanomaterials 12, no. 19: 3265. https://doi.org/10.3390/nano12193265