Research Article

Real-Time Characterization of Electrospun PVP Nanofibers as Sensitive Layer of a Surface Acoustic Wave Device for Gas Detection

Figure 8

(a) Frequency shift in real time of the SAW sensor with a sensitive layer of electrospun PVP nanofibers for different concentrations of toluene and (b) the linear relation between frequency shift and the concentration.
243037.fig.008a
(a)
243037.fig.008b
(b)