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  • Heteroepitaxial Growth of ZnO Nanorod Arrays on GaAs (111) Substrates by Electrochemical Deposition

    Author(s)
    Zeng, Hai
    Bando, Yoshio
    Xu, Xi Jin
    Li, Liang
    Zhai, Tian You
    Fang, Xiao Sheng
    Golberg, Dmitri
    Griffith University Author(s)
    Xu, Xijin
    Year published
    2010
    Metadata
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    Abstract
    Heteroepitaxial growth of well-aligned ZnO nanorod arrays on GaAs (111) substrates was achieved through electrochemical deposition at low temperature without any buffer layers for the first time. Structural analysis demonstrated the epitaxial orientation relationship of ZnO(0001)//GaAs(111). The rod density was dependent on the applied current density. These ZnO nanorods had high crystalline quality andexhibited strong UV near-edge photoluminescence with a 106 meV full-width at half-maximum and very weak deep level emission. Furthermore, the patterned growth was facially implemented by using surface masks on cathode substrates. ...
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    Heteroepitaxial growth of well-aligned ZnO nanorod arrays on GaAs (111) substrates was achieved through electrochemical deposition at low temperature without any buffer layers for the first time. Structural analysis demonstrated the epitaxial orientation relationship of ZnO(0001)//GaAs(111). The rod density was dependent on the applied current density. These ZnO nanorods had high crystalline quality andexhibited strong UV near-edge photoluminescence with a 106 meV full-width at half-maximum and very weak deep level emission. Furthermore, the patterned growth was facially implemented by using surface masks on cathode substrates. These results are envisaged to advance the development of ZnO nanorod-based heterojunctions and their applications in optoelectronics.
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    Journal Title
    European Journal of Inorganic Chemistry
    Volume
    2010
    Issue
    27
    DOI
    https://doi.org/10.1002/ejic.201000527
    Subject
    Condensed Matter Modelling and Density Functional Theory
    Inorganic Chemistry
    Other Chemical Sciences
    Publication URI
    http://hdl.handle.net/10072/40102
    Collection
    • Journal articles

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