Fig. 5.
a Reproducibility of response of the RGO sensor to 20 ppm DMMP vapor. b Response curve of the RGO sensor to DMMP vapor under the concentrations of 5–80 ppm. (c) Response of RGO sensor to DMMP compared with other analytes diluted to 5 % of saturated vapor concentrations. d Response curve of the RGO sensor to DMMP vapor under the concentration of 80 ppm. Adapted from reference [63]