Figure 1: Material and characterization. | Nature Communications

Figure 1: Material and characterization.

From: High-sensitivity acoustic sensors from nanofibre webs

Figure 1

(a) SEM image of the PVDF nanofibres (scale bar, 1 μm), (b) schematic illustration of sensor structure, (c) digital photo of the device (scale bar, 1 cm), (d) schematic illustration of the setup for testing the sensor device, (e) illustration of sound wave (the black dots illustrate the motion of air molecules associated with sound), (f) voltage outputs of the device under sound with and without FFT treatment (hole diameter, 12.8 mm; web thickness, 40 μm; web area, 12 cm2).

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