Fig. 4
Selectivity test of PPD-F2 when exposed to six target gases at fixed concentration of 10 mg/m3: (a) 2-CEES, (b) DMMP, (c) Malathion, (d) CK, (e) SO2, and (f) EO. Significant frequency shifts are observed from (a) and (b).
Fig. 4 | Scientific Reports
