Lingchen Liu, Ying Yuan, Hao Xu, Xiaokun Qin, Xiaofeng Wang, Zheng Lou, Lili Wang. Pressure sensor with wide detection range and high sensitivity for wearable human health monitoring[J]. Journal of Semiconductors, 2025, 46(4): 042401

Search by keywords or author
- Journal of Semiconductors
- Vol. 46, Issue 4, 042401 (2025)

Fig. 1. (Color online) Human health detection system based on MXene/PEO flexible sensors. (a) Schematic diagram of the pulse monitoring system based on MXene/PEO flexible pressure sensor. (b) Schematic diagram of the structure of the MXene/PEO flexible pressure sensor. (c) Schematic diagram of the comparison of sensing range and sensitivity of different pressure sensors.

Fig. 2. (Color online) Pressure response of the MXene/PEO flexible sensor. (a) Schematic diagram of the MXene/PEO sensor at no load and under load. (b) The minimum pressure detection limit of the sensor. (c) Dynamic pressure-sensitive response of the MXene/PEO flexible sensor at different pressure levels. (d) Response and recovery time of the MXene/PEO flexible sensor. (e) and (f) I−V curves of the MXene/PEO-based flexible sensor at different pressures. (g) The sensitivity curves of the MXene/PEO flexible sensor at different pressures range from 44.34 kPa−1 at 0.10 to 50 kPa and 12.99 KPa−1 at 50 to 500 kPa.

Fig. 3. (Color online) Preparation, characterization and mechanical properties testing of MXene/PEO CNM. (a) Schematic diagram of the fabrication process of MXene/PEO CNM-based pressure sensors. (b) Scanning electron microscopy (SEM) image of MXene/PEO CNM prepared using 4 wt% PEO. (c) SEM image of MXene/PEO CNM prepared using 5 wt% PEO. (d) Pressure-sensitive response diagram of MXene/PEO flexible sensor at different bending angles. (e) Stability of MXene/PEO flexible sensors.

Fig. 4. (Color online) Human pulse monitoring system based on MXene/PEO flexible sensors. (a) Schematic diagram of a human pulse monitoring system. (b) In the resting state, the pulse signal detected by the pulse monitoring system. (c) After exercise, the pulse monitoring system detects the pulse signal.

Set citation alerts for the article
Please enter your email address