Figure 3
Textile gas sensing. (a) Response of fabricated sensors to increasing NO2 concentrations in dry air from 20 to 100 ppb for RGO-coated fabric and RGO/MoS2-coated fabric respectively. Both sensors show little recovery in dry air. (b) Gas sensing response of the RGO/MoS2-coated fabric to NO2, NH3 and CO2 showing selectivity of the coated material to NO2. (c) Variation in response of the RGO and RGO/MoS2-coated fabric due to increasing temperature at a fixed concentration of 100 ppb NO2 both in dry air and humid air respectively. (d) Variation in response of the RGO and RGO/MoS2-coated fabric due to increasing humidity at a fixed concentration of 100 ppb NO2 helps determine the humidity correction relationship.
