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Article

Flexible Piezoelectric Generators by Using the Bending Motion Method of Direct-Grown-PZT Nanoparticles on Carbon Nanotubes

1
Department of Physics and Research Institute of Physics and Chemistry, Chonbuk National University, Jeonju 54896, Korea
2
Thin Film Materials Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Korea
*
Author to whom correspondence should be addressed.
Nanomaterials 2017, 7(10), 308; https://doi.org/10.3390/nano7100308
Received: 16 August 2017 / Revised: 18 September 2017 / Accepted: 2 October 2017 / Published: 7 October 2017
(This article belongs to the Special Issue Nanogenerators and Self-Powered Nanosystems)
Recently, composite-type nanogenerators (NGs) formed from piezoelectric nanostructures and multi-walled carbon nanotubes (CNTs), have become one of the excellent candidates for future energy harvesting because of their ability to apply the excellent electrical and mechanical properties of CNTs. However, the synthesis of NG devices with a high proportion of piezoelectric materials and a low polymer content, such as of polydimethylsiloxane (PDMS), continues to be problematic. In this work, high-piezoelectric-material-content flexible films produced from Pb(Zr,Ti)O3 (PZT)-atomically-interconnected CNTs and polytetrafluoroethylene (PTFE) are presented. Various physical and chemical characterization techniques are employed to examine the morphology and structure of the materials. The direct growth of the piezoelectric material on the CNTs, by stirring the PZT and CNT mixed solution, results in various positive effects, such as a high-quality dispersion in the polymer matrix and addition of flexoelectricity to piezoelectricity, resulting in the enhancement of the output voltage by an external mechanical force. The NGs repeatedly generate an output voltage of 0.15 V. These results present a significant step toward the application of NGs using piezoelectric nanocomposite materials. View Full-Text
Keywords: piezoelectric nanogenerator; composite material; bending movement piezoelectric nanogenerator; composite material; bending movement
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MDPI and ACS Style

Han, J.K.; Jeon, D.H.; Cho, S.Y.; Kang, S.W.; Lim, J.; Bu, S.D. Flexible Piezoelectric Generators by Using the Bending Motion Method of Direct-Grown-PZT Nanoparticles on Carbon Nanotubes. Nanomaterials 2017, 7, 308. https://doi.org/10.3390/nano7100308

AMA Style

Han JK, Jeon DH, Cho SY, Kang SW, Lim J, Bu SD. Flexible Piezoelectric Generators by Using the Bending Motion Method of Direct-Grown-PZT Nanoparticles on Carbon Nanotubes. Nanomaterials. 2017; 7(10):308. https://doi.org/10.3390/nano7100308

Chicago/Turabian Style

Han, Jin Kyu, Do Hyun Jeon, Sam Yeon Cho, Sin Wook Kang, Jongsun Lim, and Sang Don Bu. 2017. "Flexible Piezoelectric Generators by Using the Bending Motion Method of Direct-Grown-PZT Nanoparticles on Carbon Nanotubes" Nanomaterials 7, no. 10: 308. https://doi.org/10.3390/nano7100308

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