Fig. 3: Mechanism of preparation and sensing of MPP sensors. | Microsystems & Nanoengineering

Fig. 3: Mechanism of preparation and sensing of MPP sensors.

From: MXene/PPy@PDMS sponge-based flexible pressure sensor for human posture recognition with the assistance of a convolutional neural network in deep learning

Fig. 3

a Schematic diagram of the preparation process of MXene/PPy in the MPP sponge sensor. b Schematic diagram of the piezoresistive sensing mechanism of the MPP sponge. SEM images of the MPP sensor at pressures of 0 kPa (c, f), 20 kPa (d, g), and 100 kPa (e, h)

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