Real-Time Characterization of Electrospun PVP Nanofibers as Sensitive Layer of a Surface Acoustic Wave Device for Gas Detection
Figure 7
SEM images of the electrospun PVP fibers. (a) For 18 kV and 22 cm of needle-to-collector distance. (b) For 18 kV and 11 cm of needle-to-collector distance. (c) Detailed view of (a) image.