Title: Electricity generation based on vertically aligned PbZr0.2Ti0.8O3 nanowire arrays
Authors: Chen, Cheng-Ying
Liu, Te-Hsiang
Zhou, Yusheng
Zhang, Yan
Chueh, Yu-Lun
Chu, Ying-Hao
He, Jr-Hau
Wang, Zhong Lin
Department of Materials Science and Engineering
Keywords: PZT;ZnO;Nanowire;Nanogenerator;Energy harvesting
Issue Date: 1-May-2012
Abstract: We statistically demonstrated the electricity generation from individual vertically-aligned/epitaxial PbZr0.2Ti0.8O3 (PZT) nanowires (NWs) using a conductive atomic force microscope (AFM). The measured outputs were analyzed in reference to the theoretically calculated piezopotential distribution in a bent NW. Our results show that the performance of the PZT NWs for electricity generation is at the same level as that of ZnO NWs although the piezocoefficient of PZT is high, due to high relative dielectric constant of PZT. Systematic investigating piezoelectricity from single PZT NWs will be useful for optimizing the performance for PZT nanogenerator applications. (C) 2012 Elsevier Ltd. All rights reserved.
URI: http://dx.doi.org/10.1016/j.nanoen.2012.01.003
ISSN: 2211-2855
DOI: 10.1016/j.nanoen.2012.01.003
Volume: 1
Issue: 3
Begin Page: 424
End Page: 428
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