Journal
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
Volume 71, Issue -, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIM.2022.3218517
Keywords
Human motion detection; pressure-temperature sensor; Ti3C2Tx MXene; wearable sensor
Funding
- National Key Research and Development Program of China [2017YFA0701200]
- Fundamental Research Funds for the Central Universities [N2104022, N2004021]
- Natural Science Foundation of Science and Technology Department of Liaoning Province [2020-BS-046]
- Hebei Natural Science Foundation [F2020501040]
- 111 Project [B16009]
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In this work, a high-performance wearable sensor with excellent flexibility was fabricated by dip-coating MXene material on a polyester fiber substrate and depositing silver nanoparticles. This sensor shows good response to temperature and pressure/strain signals, high-temperature sensitivity, fast response and recovery time to pressure, low-pressure detection limit, and good cycling stability.
this work, a high-performance wearable sensor of excellent flexibility was fabricated by dip-coating Ti3C2Tx MXene material (M) on a polyester fiber (PET) substrate and depositing silver nanoparticles (Ag) by magnetron sputtering. The Ag/M/PET fiber sensor not only responds well to the stimuli of temperature, pressure/strain signals, but also exhibits high-temperature sensitivity (0 ?C-10 ?C: -3.4938% ?C-1, 10 ?C- 30 ?C: -1.0436% ?C-1), relatively fast response and recovery time to pressure (130 ms), low-pressure detection limit (6.5 mg, 1 cm(2)), and good cycling stability (1000 cycles). The proposed fiber sensor has the advantages of high sensitivity, simple structure, convenient fabrication, and excellent multi modal sensing capability, which makes it a valuable candidate for human motion detection and personal healthcare.
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