Table 3 Properties of the pressure sensor compared with previous literature values.

From: Transparent Body-Attachable Multifunctional Pressure, Thermal, and Proximity Sensor and Heater

MaterialsMeasured propertiesMinimum sensitivity (kPa−1)Maximum sensitivity (kPa−1)P (kPa)Reference
Carbon nanotube (CNT)Resistance0.005
(2 < P < 10 kPa)
0.12
(0 < P < 2 kPa)
2–1044
PolypyrroleResistance0.08
(0.1 < P < 11 kPa)
0.317
(0 < P < 0.1 kPa)
0–1145
Polyethylene glycol diacrylate (PEGDA)/2-hydroxy-2-methylpropiophenone (HOMMP)/1-ethyl-3-methyl-imidazolium tricyanomethanide (EMIM/TCM)Capacitance0.12
(2.3 < P < 11.3 kPa)
0.55
(1 < P < 2.3 kPa)
1–11.346
Graphene oxideCapacitance0.005
(40 < P < 110 kPa)
0.96
(8 < P < 40 kPa)
8–11047
Silver nanowire (AgNW)Capacitance0.88
(0.025 < P < 0.07 kPa)
5.54
(0 < P < 0.025 kPa)
0.025–0.0748
Gallium (Ga)/Indium (In)Voltage0.080–5049
Zinc oxide (ZnO)/PolystyreneCurrent3.4
(7 < P < 11.8 kPa)
10.3
(0 < P < 2 kPa)
0–11.89
Nickel fiber (Ni F)Resistance0.0053072Present