Fig. 5: Applications of the thermo-sensitive OFET for temperature sensing.

a Temperature resolution curve of sensor measured at 37–38 °C with a precision of 0.2 °C. The inset shows the device structure. b Cyclic stability of temperature sensor from 25 °C to 45 °C. c Response of temperature sensor to finger touch. d Response of temperature sensor to infrared heat source. e A photo of the OFET temperature sensor array. f Temperature mapping measured by the sensor array.