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Measurement of flexoelectric response in polyvinylidene fluoride films for piezoelectric vibration energy harvesters

Measurement of flexoelectric response in polyvinylidene fluoride films for piezoelectric... This study presents an investigation on the measurement of flexoelectric response in β-phase polyvinylidene fluoride (PVDF) films attached on cantilever beam-based flexible piezoelectric vibration energy harvesters (PVEHs). The flexoelectric response associated with negative strain gradients was simulated through harmonic response analysis by using the finite element method (FEM). The polarization frequency response functions (FRFs) modified by direct flexoelectric effect of PVDF films was experimentally validated by multi-mode FRFs. From quantitative comparisons between experimental observations and simulated estimation of FRFs, it is demonstrated that the direct flexoelectric response can be observed in PVDF films attached on PVEHs. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Physics D: Applied Physics IOP Publishing

Measurement of flexoelectric response in polyvinylidene fluoride films for piezoelectric vibration energy harvesters

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References (17)

Copyright
Copyright © 2017 IOP Publishing Ltd
ISSN
0022-3727
eISSN
1361-6463
DOI
10.1088/1361-6463/50/7/075502
Publisher site
See Article on Publisher Site

Abstract

This study presents an investigation on the measurement of flexoelectric response in β-phase polyvinylidene fluoride (PVDF) films attached on cantilever beam-based flexible piezoelectric vibration energy harvesters (PVEHs). The flexoelectric response associated with negative strain gradients was simulated through harmonic response analysis by using the finite element method (FEM). The polarization frequency response functions (FRFs) modified by direct flexoelectric effect of PVDF films was experimentally validated by multi-mode FRFs. From quantitative comparisons between experimental observations and simulated estimation of FRFs, it is demonstrated that the direct flexoelectric response can be observed in PVDF films attached on PVEHs.

Journal

Journal of Physics D: Applied PhysicsIOP Publishing

Published: Feb 22, 2017

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