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INFLUENCE OF NANOWIRE DIAMETER ON STRUCTURAL AND OPTICAL PROPERTIES OF Cu NANOWIRE SYNTHESIZED IN ANODIC ALUMINIUM OXIDE FILM

Author

Listed:
  • A. CETINEL

    (Department of Physics, Ege University, Bornova 35100 Izmir, Turkey)

  • Z. ÖZCELIK

    (Department of Physics, Ege University, Bornova 35100 Izmir, Turkey)

Abstract

Copper (Cu) nanowire arrays embedded in anodic aluminium oxide films (AAO) on aluminium substrate have been synthesized by alternating current electrochemical deposition. Two-step anodization process has been performed to get the through-hole AAO with ordered nanochannels in 0.3M oxalic acids at DC voltages 30, 40, 50 and 60V, respectively. Structural characterization of the Cu nanowires has been analyzed by scanning electron microscopy (SEM) and X-ray diffraction (or) X-ray diffractometer (XRD). Our SEM analysis has revealed that the diameters of vertically oriented Cu nanowires are 15, 25, 45 and 60nm and the length of Cu nanowires having high packing density is about 15μm. XRD measurement has indicated that polycrystalline Cu nanowires prefer growth orientation along the (111) direction. Optical measurements show that reflection of the Cu nanowires/AAO on aluminium reduces with decreasing diameter of the Cu nanowires. This effect can be associated with increased light scattering from metal nanoparticles near their localized plasmon resonance frequency depending on the size and shape of the nanoparticles.

Suggested Citation

  • A. Cetinel & Z. Özcelik, 2016. "INFLUENCE OF NANOWIRE DIAMETER ON STRUCTURAL AND OPTICAL PROPERTIES OF Cu NANOWIRE SYNTHESIZED IN ANODIC ALUMINIUM OXIDE FILM," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 23(01), pages 1-6, February.
    • Handle: RePEc:wsi:srlxxx:v:23:y:2016:i:01:n:s0218625x15500936
    DOI: 10.1142/S0218625X15500936
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