Abstract
To analyse the adoption of nanomaterials in flexible sensors and the monitoring value in human exercise health, carbon nanotube (CNT) was prepared. After performance analysis, the optimal flexible CNT sensor was selected and utilised in human exercise health monitoring. The results showed that two kinds of multi-walled CNTs were light-absorbing in the wavelength range of 1000-7000 nm. The infrared response monitoring results of four different types of sensors revealed that the infrared sensor with silica substrate had a faster response speed than that with PMMA substrate, with remarkable difference (P < 0.05). The fitting curve of the bending angle of the wrist and knee and the resistance change showed that the greater the bending angle of the knee, the greater the resistance received, with a positive correlation between them. In short, the flexible sensor based on carbon nanomaterials had ideal infrared signal sensing and monitoring capabilities, and had high sensitivity.
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