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Flexible Piezoelectric Nanocomposite Generator Devices based on BaTiO3 Dendrite Nanostructure
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 Title & Authors
Flexible Piezoelectric Nanocomposite Generator Devices based on BaTiO3 Dendrite Nanostructure
Bae, Soo Bin;
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 Abstract
In this paper, the flexible piezoelectric nanocomposite generator(NCG) device based on nanostructures was fabricated via simple and low-cost spin coating method. The nanostructures synthesized by self-assembly reaction showed dendrite morphologies. To produce the piezoelectric nanocomposite(p-NC layer) which acts as an electric energy source in NCG device, the piezoelectric nanopowders() were dispersed in polydimethylsiloxane(PDMS). Sequently, the p-NC layer was inserted in two dielectric layer of PDMS; these layers enabled the NCG device flexibility as well as durability prohibiting detachment(exfoliation) for significantly mechanical bending motions. The fabricated NCG device shows average maximum open circuit voltage of 6.2 V and average maximum current signals of 300 nA at 20 wt% composition of nanostructures in p-NC layer. Finally, the flexible energy harvester generates stable output signals at any rate of frequency which were used to operate LCD device without any external energy supply.
 Keywords
Energy harvesting;Flexible nano-generator;Piezoelectric;;
 Language
Korean
 Cited by
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