The DOI matches its Crossref record; 55 of the 55 references it cites were found in a registry or an index.
Multiscale Hierarchical Design of a Flexible Piezoresistive Pressure Sensor with High Sensitivity and Wide Linearity Range
Abstract
Flexible piezoresistive pressure sensors have been attracting wide attention for applications in health monitoring and human‐machine interfaces because of their simple device structure and easy‐readout signals. For practical applications, flexible pressure sensors with both high sensitivity and wide linearity range are highly desirable. Herein, a simple and low‐cost method for the fabrication of a flexible piezoresistive pressure sensor with a hierarchical structure over large areas is presented. The piezoresistive pressure sensor consists of arrays of microscale papillae with nanoscale roughness produced by replicating the lotus leaf's surface and spray‐coating of graphene ink. Finite element analysis (FEA) shows that the hierarchical structure governs the deformation behavior and pressure distribution at the contact interface, leading to a quick and steady increase in contact area with loads. As a result, the piezoresistive pressure sensor demonstrates a high sensitivity of 1.2 kPa−1 and a wide linearity range from 0 to 25 kPa. The flexible pressure sensor is applied for sensitive monitoring of small vibrations, including wrist pulse and acoustic waves. Moreover, a piezoresistive pressure sensor array is fabricated for mapping the spatial distribution of pressure. These results highlight the potential applications of the flexible piezoresistive pressure sensor for health monitoring and electronic skin.
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Cites
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Purity of the sacred lotus, or escape from contamination in biological surfaces
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Highly sensitive flexible pressure sensors with microstructured rubber dielectric layers
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Pursuing prosthetic electronic skin
Chortos, A., Liu, J., & Bao, Z. (2016) · Nature Materials · doi:10.1038/nmat4671 · Cited by 2,396
Trung, T. Q., & Lee, N. (2016) · Advanced Materials · doi:10.1002/adma.201504244 · Cited by 2,160
A wearable and highly sensitive pressure sensor with ultrathin gold nanowires
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Cited by
Bio-Integrated Wearable Systems: A Comprehensive Review
Ray, T. R., Choi, J., Bandodkar, A. J., Krishnan, S., Gutruf, P., Tian, L., Ghaffari, R., & Rogers, J. A. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00573 · Cited by 1,350
Emerging Technologies of Flexible Pressure Sensors: Materials, Modeling, Devices, and Manufacturing
Huang, Y., Fan, X., Chen, S., & Zhao, N. (2019) · Advanced Functional Materials · doi:10.1002/adfm.201808509 · Cited by 543
Microengineering Pressure Sensor Active Layers for Improved Performance
Ruth, S. R. A., Feig, V. R., Tran, H., & Bao, Z. (2020) · Advanced Functional Materials · doi:10.1002/adfm.202003491 · Cited by 538
Microchannel‐Confined MXene Based Flexible Piezoresistive Multifunctional Micro‐Force Sensor
Gao, Y., Yan, C., Huang, H., Yang, T., Tian, G., Xiong, D., Chen, N., Chu, X., Zhong, S., Deng, W., et al. (2020) · Advanced Functional Materials · doi:10.1002/adfm.201909603 · Cited by 396
Self-citationNiu, H., Gao, S., Yue, W., Li, Y., Zhou, W., & Liu, H. (2020) · Small · doi:10.1002/smll.201904774 · Cited by 269
Metadata
- Authors
- Shi, J., Wang, L., Dai, Z., Zhao, L., Du, M., Li, H., & Fang, Y.
- Venue
- Small
- Publisher
- Wiley
- Published
- 2018-05-30
- Volume
- 14
- Issue
- 27
- Pages
- e1800819-e1800819
- ISSN
- 1613-6810 (ISSN-L)
- 1613-6829
- OpenAlex
- W2807108485
- Cited by
- 507
- References
- 55
- FWCI
- 14.82
- Type
- journal article
- Language
- en
- Open access
- closed
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- Shi, J., Wang, L., Dai, Z., Zhao, L., Du, M., Li, H., & Fang, Y. (2018). Multiscale Hierarchical Design of a Flexible Piezoresistive Pressure Sensor with High Sensitivity and Wide Linearity Range. Small. https://doi.org/10.1002/smll.201800819
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