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Effect Of Annealing Temperature On Structural And Optical Parameters Of Sol–Gel Routed Molybdenum Oxide Thin Film

Author

Listed:
  • P. ADAL ARASU

    (Department of Physics, St. Joseph's College, Trichy 620002, India)

  • R. VICTOR WILLIAMS

    (Department of Physics, St. Joseph's College, Trichy 620002, India)

Abstract

The influence of annealing temperature on structural and optical properties of sol–gel routed spin-coated molybdenum tri oxide(MoO3)thin films are studied. The higher annealing temperatures improve the crystalline nature of the film. The X-ray diffraction (XRD) study reveals the formation of α-orthorhombic phase at higher annealing temperature and amorphous nature at lower annealing temperature. The optical bandgap of molybdenum tri oxide(MoO3)film is found to be 3.3–3.8 eV, and the refractive index of the film is found to be 2.2–2.9. The dispersion curve of the refractive index shows that an abnormal dispersion in the absorption region and normal dispersion in the transparent region are observed. The optical polarizability, optical conductivity, dielectric constant, volume and surface energy loss parameters are evaluated.

Suggested Citation

  • P. Adal Arasu & R. Victor Williams, 2015. "Effect Of Annealing Temperature On Structural And Optical Parameters Of Sol–Gel Routed Molybdenum Oxide Thin Film," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 22(04), pages 1-8.
    • Handle: RePEc:wsi:srlxxx:v:22:y:2015:i:04:n:s0218625x15500547
    DOI: 10.1142/S0218625X15500547
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