Abstract
In this paper a comparison between two different polarization mechanisms of piezoelectric nanofibers of poly(vinylidenefluoride-trifluoroethylene) (PVdF-TrFE) are presented. The direct current (DC) traditional polarization method is compared with the alternate current polarization (ACP) one. The results showed a remarkable enhancement of the piezoelectric strain coefficient d <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">33</inf> of the nanofibrous mats when polarized with ACP if compared with DC polarization.
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