fig1
Figure 1. (A) Flowchart for the preparation of piezoelectric sensors, (B) 1H NMR spectrum of H-P(VDF-TrFE), (C) FTIR spectrum and (D) POM of P(VDF-TrFE) film, (E) Frequency-dependent dielectric properties of P(VDF-TrFE) film, (F) Dielectric temperature spectrum of P(VDF-TrFE) film in the 100 Hz-900 k Hz frequency range and (G) P-E loop, (H) Quasi-static piezoelectric constants of P(VDF-TrFE) films with different thicknesses.
