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International Letters of Chemistry, Physics and Astronomy
Volume 61
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Effect of Halogen Doping on Optical Properties for ZnO Thin Film Prepared by Thermal Oxidation

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Abstract:

Undoped and halogen-doped zinc oxide thin films are prepared by the thermal oxidation process. Zinc acetate dihydrate, ethanol, and Diethanolamine are used as precursor, solvent, and stabilizer, respectively. In the case of ZnO:Hal. dopant Ammonium chloride NH4Cl 99%, Benzene Bromide C6H5Br, or Benzene Iodide C6H5I for making dopant ZnO thin film with Cl, Br, I respectively is added to the precursor solution with an atomic percentage equal to 2-10.% hal. The transparent solution sprayed onto glass substrates, and are transformed into ZnO upon annealing at 500°C. XRD spectra of ZnO thin films, and optical properties of them as a function of halogen content have been investigated using U.V spectroscopy ( transmittance , refractive index, extinction coefficient and energy band gap ) for undoped and halogen-doped zinc oxide thin films.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 61)
Pages:
149-161
DOI:
10.18052/www.scipress.com/ILCPA.61.149
Citation:
W. Abdullah "Effect of Halogen Doping on Optical Properties for ZnO Thin Film Prepared by Thermal Oxidation", International Letters of Chemistry, Physics and Astronomy, Vol. 61, pp. 149-161, 2015
Online since:
Nov 2015
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