The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.
Bioinspired Microspines for a High-Performance Spray Ti3C2Tx MXene-Based Piezoresistive Sensor
Abstract
Recently, wearable and flexible pressure sensors have sparked tremendous research interest, and considerable applications including human activity monitoring, biomedical research, and artificial intelligence interaction are reported. However, the large-scale preparation of low-cost, high-sensitivity piezoresistive sensors still face huge challenges. Inspired by the specific structures and excellent metal conductivity of a family of two-dimensional (2D) transition-metal carbides and nitrides (MXene) and the high-performance sensing effect of human skin including randomly distributed microstructural receptors, we fabricate a highly sensitive MXene-based piezoresistive sensor with bioinspired microspinous microstructures formed by a simple abrasive paper stencil printing process. The obtained piezoresistive sensor shows high sensitivity (151.4 kPa –1 ), relatively short response time (<130 ms), subtle pressure detection limit of 4.4 Pa, and excellent cycle stability over 10,000 cycles. The mechanism of the high sensitivity of the sensor is dynamically revealed from the structural perspective by means of in situ electron microscopy experiment and finite element simulation. Bioinspired microspinous microstructures can effectively improve the sensitivity of the pressure sensor and the limit of the detectable subtle pressure. In practice, the sensor shows great performance in monitoring human physiological signals, detecting quantitatively pressure distributions, and remote monitoring of intelligent robot motion in real time.
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Cites
Two‐Dimensional Nanocrystals Produced by Exfoliation of Ti3AlC2
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Flexible MXene/Graphene Films for Ultrafast Supercapacitors with Outstanding Volumetric Capacitance
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Cited by
Flexible MXene‐Based Composites for Wearable Devices
Ma, C., Ma, M., Si, C., Ji, X., & Wan, P. (2021) · Advanced Functional Materials · doi:10.1002/adfm.202009524 · Cited by 544
CRISPR-Cas12a-driven MXene-PEDOT:PSS piezoresistive wireless biosensor
Zeng, R., Wang, W., Chen, M., Wan, Q., Wang, C., Knopp, D., & Tang, D. (2021) · Nano Energy · doi:10.1016/j.nanoen.2020.105711 · Cited by 394
Yang, W., Liu, S., Wang, Z., Liu, H., Pan, C., Liu, C., & Shen, C. (2024) · Nano Energy · doi:10.1016/j.nanoen.2024.109799 · Cited by 95
MXenes for wearable pressure sensing: Progress and prospects in human motion detection
Kong, X., Fan, C., Liao, K., Zhang, W., & Xiong, H. (2025) · Alexandria Engineering Journal · doi:10.1016/j.aej.2025.01.086 · Cited by 7
Metadata
- Authors
- Cheng, Y., Ma, Y., Li, L., Zhu, M., Yue, Y., Liu, W., Wang, L., Jia, S., Li, C., Qi, T., Wang, J., & Gao, Y.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2020-02-10
- Volume
- 14
- Issue
- 2
- Pages
- 2145-2155
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W3004879475
- Cited by
- 523
- References
- 38
- FWCI
- 22.49
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cheng, Y., Ma, Y., Li, L., Zhu, M., Yue, Y., Liu, W., Wang, L., Jia, S., Li, C., Qi, T., Wang, J., & Gao, Y. (2020). Bioinspired Microspines for a High-Performance Spray Ti3C2Tx MXene-Based Piezoresistive Sensor. ACS Nano. https://doi.org/10.1021/acsnano.9b08952
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