Fig. 5.

a Schematic and b operating principles of hybrid NC-based pressure sensors. c C-AFM profile of hybrid Ag NC thin films with respect to the amount of as-synthesized Ag NC thin films. d Relative current change of hybrid Ag NC-based pressure sensors with respect to the applied pressure. e Schematic of NC-based pressure sensors with cracks and their operating principles. f Relative change in resistance of NC-based pressure sensors with cracks after the application of pressure. g Real-time pulse monitoring using NC-based pressure sensors. h Images of high-pixel tactile NC-based pressure sensors

(Figure reproduced from a–d, g, and h [51], Copyright 2018, American Chemical Society; e, f [60], Copyright 2014, Royal Society of Chemistry)