Self-Polarization of PVDF Film Triggered by Hydrophilic Treatment for Pyroelectric Sensor with Ultra-Low Piezoelectric Noise

Table 1 Geometric parameters of the bilayer sensor

Thickness of thin films	Dimensions of thin films	Height of pillars	Diameter of pillars	Distances between two diagonal pillars
50 μm	10 × 10 mm²	1 mm	1 mm	11 mm