Optical and structural properties of ZnO nanorods grown on graphene oxide and reduced graphene oxide film by hydrothermal method

    Authors

    U. Alver; W. Zhou; B. Belay; R. Krueger; K. O. Davis;N. S. Hickman

    Comments

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    Abbreviated Journal Title

    Appl. Surf. Sci.

    Keywords

    ZnO nanorods; Graphene oxide; Hydrothermal; Seed layer; SENSITIZED SOLAR-CELLS; SINGLE-LAYER GRAPHENE; LARGE-AREA; ELECTROCHEMICAL DEPOSITION; TRANSPARENT ELECTRODES; THIN-FILMS; FABRICATION; COMPOSITE; DEVICES; NANOSTRUCTURES; Chemistry, Physical; Materials Science, Coatings & Films; Physics, ; Applied; Physics, Condensed Matter

    Abstract

    ZnO nanorods were grown on graphene oxide (GO) and reduced graphene oxide (RGO) films with seed layers by using simple hydrothermal method. The GO films were deposited by spray coating and then annealed at 400 degrees C in argon atmosphere to obtain RGO films. The optical and structural properties of the ZnO nanorods were systematically studied by scanning electron microscopy (SEM), X-ray diffraction (XRD) and ultraviolet-visible spectroscopy. The XRD patterns and SEM images show that without a seed layer, no ZnO nanorod deposition occurs on GO or RGO films. Transmittance of ZnO nanorods grown on RGO films was measured to be approximately 83% at 550 nm. Furthermore, while transmittance of RGO films increases with ZnO nanorod deposition, transmittance of GO decreases. (C) 2011 Elsevier B. V. All rights reserved.

    Journal Title

    Applied Surface Science

    Volume

    258

    Issue/Number

    7

    Publication Date

    1-1-2012

    Document Type

    Article

    Language

    English

    First Page

    3109

    Last Page

    3114

    WOS Identifier

    WOS:000299162300145

    ISSN

    0169-4332

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