Enhanced Output Power of PZT Nanogenerator by Controlling Surface Morphology of Electrode

Title
Enhanced Output Power of PZT Nanogenerator by Controlling Surface Morphology of Electrode
Authors
정우석이원희주병권윤석진강종윤
Keywords
PZT; Nanostructure; Hydrothermal; Nanogenerator; Energy Harvesting
Issue Date
2015-11
Publisher
Journal of nanoscience and nanotechnology
Citation
VOL 15, 8907-8911
Abstract
Piezoelectric power generation using Pb(Zr,Ti)O3(PZT) nanowires grown on Nb-doped SrTiO3(nb:STO) substrate has been demonstrated. The epitaxial PZT nanowires prepared by a hydrothermal method, with a diameter and length of approximately 300 nm and 7 m, respecively, were vertically aligned on the substrate. An embossed Au top electrode was applied to maximize the effective power generation area for non-uniform PZT nanowires. The PZT nanogenerator produced output power density of 0.56 W/cm2 with a voltage of 0.9 V and current of 75 nA. This research suggests that the morphology control of top electrode can be useful to improve the efficiency of piezoelectric power generation.
URI
http://pubs.kist.re.kr/handle/201004/51095
ISSN
15334880
Appears in Collections:
KIST Publication > Article
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