Journal
BULLETIN OF THE KOREAN CHEMICAL SOCIETY
Volume 33, Issue 4, Pages 1235-1241Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.5012/bkcs.2012.33.4.1235
Keywords
Zinc oxide; Aluminum; Thin film; Sol-gel; Optical parameter
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Funding
- Inje University
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Aluminium (Al)-doped zinc oxide (AZO) thin films with different Al concentrations were prepared by the sol-gel spin-coating method. Optical parameters such as the optical band gap, absorption coefficient, refractive index, dispersion parameter, and optical conductivity were studied in order to investigate the effects of the Al concentration on the optical properties of AZO thin films. The dispersion energy, single-oscillator energy, average oscillator wavelength, average oscillator strength, and refractive index at infinite wavelength of the AZO thin films were found to be affected by Al incorporation. The optical conductivity of the AZO thin films also increases with increasing photon energy.
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