2021
DOI: 10.1021/acsami.1c14777
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Full-Textile Human Motion Detection Systems Integrated by Facile Weaving with Hierarchical Core–Shell Piezoresistive Yarns

Abstract: The tremendous progress of the wearable intelligent system has brought an urgent demand for flexible pressure sensors, especially for those possessing high sensing performances, simple manufacture technology, and efficient integration. In this work, hierarchical core−shell piezoresistive yarns (HCPYs), which contain internal silver-plated nylon electrodes and surface microporous structured carbon nanotubes (CNTs)/thermoplastic polyurethane (TPU) sensing layer, are designed and manufactured via facile wet-spinn… Show more

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Cited by 28 publications
(16 citation statements)
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“…Finally, the total resistance of textile pressure sensors decreases with the pressure. As a result, the arrangement of conductive particles or substances in the matrix changes, and the overall resistance decreases, so the pressure can be measured [ 13 , 14 , 15 , 22 ].…”
Section: Methodsmentioning
confidence: 99%
“…Finally, the total resistance of textile pressure sensors decreases with the pressure. As a result, the arrangement of conductive particles or substances in the matrix changes, and the overall resistance decreases, so the pressure can be measured [ 13 , 14 , 15 , 22 ].…”
Section: Methodsmentioning
confidence: 99%
“…Pressure sensors have attracted much attention because of their good application prospects in biomedical, consumer electronics, human–computer interaction, aerospace, and other fields. Although the traditional pressure sensor represented by the transistor type shows high sensitivity and a wide range of practical applications, it has great limitations in use because of its rigid substrate, which is usually incompatible with the flexible substrate or device. , A flexible pressure sensor provides a new opportunity and development path to solve the above problems. In addition, it provides a reliable reference for multiple sensing based on pressure measurement. …”
Section: Introductionmentioning
confidence: 99%
“…Therefore, the preparation of flexible pressure sensors with high sensitivity and a wide measurement range by simple methods is still a challenging task. The electrospinning process is the earliest to achieve industrial production and is the most common method of inexpensive and reliable preparation of submicron–nano fibers, which can successfully prepare nanofiber materials with different structures. , Nanofibers with large specific surface areas and low Young’s moduli provide a feasible idea for the preparation of flexible capacitive pressure sensors.…”
Section: Introductionmentioning
confidence: 99%
“…The ideal textile sensor should be designed to be lightweight and comfortable, not cause a physical impact and an external burden on the human body, and still maintain a high sensing sensitivity and cyclic stability . Zhong et al prepared hierarchical core–shell piezoresistive yarns (HCPYs), which achieved high sensitivity and good cycle durability through optimized assembly into wearable pressure sensors, and they were successfully used to monitor physical signals and human motions . Wang et al developed a textile-based flexible wearable tactile sensor array, which has a high sensitivity (0.84 kPa –1 ), a fast response time (>4 ms), excellent cyclic stability, and washable performance, proving that the sensor has great application potential in human–computer interaction devices .…”
mentioning
confidence: 99%
“…37 Zhong et al prepared hierarchical core−shell piezoresistive yarns (HCPYs), which achieved high sensitivity and good cycle durability through optimized assembly into wearable pressure sensors, and they were successfully used to monitor physical signals and human motions. 38 Wang et al developed a textile-based flexible wearable tactile sensor array, which has a high sensitivity (0.84 kPa −1 ), a fast response time (>4 ms), excellent cyclic stability, and washable performance, proving that the sensor has great application potential in human−computer interaction devices. 39 In the near future, the development of MXene-based textile sensors will bring many new possibilities to the next generation of smart textiles, such as applications in sports, entertainment, and healthcare.…”
mentioning
confidence: 99%