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    Growth of ZnO nanotube arrays and nanotube based piezoelectric nanogenerators

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    Type
    Article
    Authors
    Xi, Yi
    Song, Jinhui
    Xu, Sheng
    Yang, Rusen
    Gao, Zhiyuan
    Hu, Chenguo
    Wang, Zhong Lin cc
    Date
    2009
    Permanent link to this record
    http://hdl.handle.net/10754/598441
    
    Metadata
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    Abstract
    We present a systematic study of the growth of hexagonal ZnO nanotube arrays using a solution chemical method by varying the growth temperature (<100 °C), time and solution concentration. A piezoelectric nanogenerator using the as-grown ZnO nanotube arrays has been demonstrated for the first time. The nanogenerator gives an output voltage up to 35 mV. The detailed profile of the observed electric output is understood based on the calculated piezoelectric potential in the nanotube with consideration of the Schottky contact formed between the metal tip and the nanotube; and the mechanism agrees with that proposed for nanowire based nanogenerator. Our study shows that ZnO nanotubes can also be used for harvesting mechanical energy. © 2009 The Royal Society of Chemistry.
    Citation
    Xi Y, Song J, Xu S, Yang R, Gao Z, et al. (2009) Growth of ZnO nanotube arrays and nanotube based piezoelectric nanogenerators. J Mater Chem 19: 9260. Available: http://dx.doi.org/10.1039/b917525c.
    Sponsors
    This research was supported by DARPA (Army/AMOCOM/REDSTONE AR, W31P4Q-08-1-0009), BESDOE (DE-FG-02-07ER46394), Air Force Office (FA9550-08-1-0046), DARPA/ARO W911NF-08-1-0249, KAUST Global Research Partnership, and NSF. Yi Xi and Zhiyuan Gao thank the partial fellowship supported by the China Scholarship Council (CSC) (No. 20083019). Chenguo Hu and Yi Xi thanks the fund of NSFC (60976055) and Postgraduates' Science and Innovation Fund (200801CIA0080267) of Chongqing University.
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    Journal of Materials Chemistry
    DOI
    10.1039/b917525c
    ae974a485f413a2113503eed53cd6c53
    10.1039/b917525c
    Scopus Count
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    Publications Acknowledging KAUST Support

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