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Preparation Of Nickel Oxide Embedded Self Organized Titania Nanotubes Array By New Alginate Method As A Supercapacitor Electrode

Author

Listed:
  • HABIBEH HADAD DABAGHI

    (Department of Science, Karaj Branch, Islamic Azad University, P.O. Box 31485-313, Karaj, Iran)

  • MAHMOOD KAZEMZAD

    (Materials and Energy Research Center, P.O. Box 14155-4777, Tehran, Iran)

  • YADOLAH GANJKHANLOU

    (Materials and Energy Research Center, P.O. Box 14155-4777, Tehran, Iran)

  • RAHMATOLLAH ESKANDARI

    (Department of Physics and Advanced Materials, Research Institute, University of New Orleans, New Orleans, LA 70148, USA)

Abstract

Potentiostatic two step anodizing of titanium utilized for preparation of self organized titania nanotubes arrays with diameter of 150 nm. Then the new alginate method has been applied for incorporation ofNiOinto the nanotubes. The prepared hybrid materials have been characterized by various methods including field emission scanning electron microscopy, X-ray diffractometry and cyclic voltammetry analyses. The X-ray diffraction patterns of samples were also studied by Rietveld's method. Results showed that the prepared electrode containing anatase, rutile andNiOphases with fraction of 70, 8, and 22%, respectively. It was found that by application of the new method, porousNiOuniformly coated on nanotubes surface and great enhancement of specific capacitance from 0.14 to 3.8 mF cm-2could be obtained. The prepared nanocomposites are promising materials for supercapacitance application and also for solar energy harvesting systems.

Suggested Citation

  • Habibeh Hadad Dabaghi & Mahmood Kazemzad & Yadolah Ganjkhanlou & Rahmatollah Eskandari, 2013. "Preparation Of Nickel Oxide Embedded Self Organized Titania Nanotubes Array By New Alginate Method As A Supercapacitor Electrode," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 20(06), pages 1-6.
    • Handle: RePEc:wsi:srlxxx:v:20:y:2013:i:06:n:s0218625x13500625
    DOI: 10.1142/S0218625X13500625
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