Enhanced output power of PZT nanogenerator by controlling surface morphology of electrode

Woo Suk Jung, Won Hee Lee, Byeong Kwon Ju, Seok Jin Yoon, Chong Yun Kang

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)

    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 μm, 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 μW/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.

    Original languageEnglish
    Pages (from-to)8907-8911
    Number of pages5
    JournalJournal of Nanoscience and Nanotechnology
    Volume15
    Issue number11
    DOIs
    Publication statusPublished - 2015 Nov 1

    Bibliographical note

    Publisher Copyright:
    Copyright © 2015 American Scientific Publishers All rights reserved.

    Keywords

    • Energy harvesting
    • Hydrothermal
    • Nanogenerator
    • Nanostructure
    • PZT

    ASJC Scopus subject areas

    • Bioengineering
    • General Chemistry
    • Biomedical Engineering
    • General Materials Science
    • Condensed Matter Physics

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