Fig. 3From: CdSSe nanowire-chip based wearable sweat sensora Salt-sensing process and mechanism of a CdSSe-based sensor. I–V characteristic curves of salt sensing in the dark (b) and light (c) under different salt content levels at high humidity of 80% RH. d The current variation of the sensor with the salt content at a bias of 5 V. e The salt content dependent responsivity of the CdSSe-based sensorBack to article page