Simulation of carbon nanotubes polymer based piezoresistive flexible pressure sensor for ultra sensitive electronic skin

The design and sensitivity of a piezoresistive pressure sensor based on single-walled carbon nanotubes-polymer nanocomposite and multi-walled carbon nanotubes-polymer nanocomposite has been investigated. The paper dwells on the nuances of modeling flexible piezoresistive pressure sensor using COMSOL Multiphysics Finite Element Modeling (FEM) software. The response of each of the above sensor has been simulated for pressure loading (0-130 Pa). The simulation results show an increase in the resistance of piezoresistive material with an increase in the application of pressure. The obtained piezoresistive response of both carbon nanotubes based sensors is compared.