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Preparation and studies of optical properties characterizations of spray deposited nanostructured FeCdS3thin films | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 18, Issue 4, 2013, Pages 228-235 | ||
| Authors | ||
| Abdul-Majeed E. Ibrahim; Raid A.Ismail; Jassim M. marie | ||
| Abstract | ||
| In this research FeCdS3 Nano thin films have been prepared on glass substrates using chemical spray pyrolysis method at different substrate temperature (300ºc,400ºc) and molarity ( 0.05 ,0.1, 0.2) mol. The optical properties of prepared films have been investigated . It is found that the transmittance increase as the temperature substrate increase up to (79.44%) at (0.2M). while it decrease when the molarity consentration increase, and reached (83.44%) at (0.05M). absorption coefficient as a foundion of photon energy has been calculated, it is found that (α˃105). The energy gap for allowed direct transition value were between (2.13 – 2.48) eV at temp. (300ºC), and (2.28 – 2.55)eV at temp. (400ºC) .It is found that Eg decrease as the concentration increase with the temp. increasing , and its value was between the energy gap of FeS2 and that of CdS which value between (2.16 -2.4) eV . | ||
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