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Soft Capacitive Pressure Sensors: Trends, Challenges, and Perspectives
Abstract
Soft pressure sensors are critical components of e-skins, which are playing an increasingly significant role in two burgeoning fields: soft robotics and bioelectronics. Capacitive pressure sensors (CPS) are popular given their mechanical flexibility, high sensitivity, and signal stability. After two decades of rapid development, e-skins based on soft CPS are able to achieve human-skin-like softness and sensitivity. However, there remain two major roadblocks in the way for practical application of soft CPS: the decay of sensitivity with increased pressure and the coupled response between in-plane stretch and out-of-plane pressure. In addition to existing strategies of building porous and/or high dielectric constant soft dielectrics, are there any other promising methods to overcome those bottlenecks? Are there any further considerations for the widespread deployment of e-skins? This perspective aims to shed some light on those topics.
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Cited by
Yuan, H., Zhang, Q., Zhou, T., Wu, W., Li, H., Yin, Z., Ma, J., & Jiao, T. (2024) · Chemical Engineering Journal · doi:10.1016/j.cej.2024.149926 · Cited by 180
Metadata
- Authors
- Ha, K.-H., Huh, H., Li, Z., & Lu, N.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2022-03-09
- Volume
- 16
- Issue
- 3
- Pages
- 3442-3448
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W4221067154
- Cited by
- 269
- References
- 53
- FWCI
- 14.03
- Type
- journal article
- Language
- en
- Open access
- closed
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