The Effect of annealing temperature on the optical properties of (Cu2S)100-x( SnS2 )x thin films Nada Khdair Abbas|Anwar Ali Baker|Nadia Jasim Ghdeeb

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Baghdad Science Journal

Abstract

Thin films of (Cu2S)100-x( SnS2 )x at X=[ 30,40, &50)]% with thickness (0.9±0.03)µm , had been prepared by chemical spray pyrolysis method on glass substrates at 573 K. These films were then annealed under low pressure of(10-2) mbar ,373)423&473)K for one hour . This research includes , studying the the optical properties of (Cu2S)100-x-(SnS2)x at X=[ 30,40, &50)]% .Moreover studying the effect of annealing on their optical properties , in order to fabricate films with high stability and transmittance that can be used in solar cells. The transmittance and absorbance spectra had been recorded in the wavelength range (310 - 1100) nm in order to study the optical properties . It was found that these films had direct optical band gap which decreases with the increasing SnS2 ratio , while it increasing with the increase in the annealing temperature at all ratio

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Journal BS. The Effect of annealing temperature on the optical properties of (Cu2S)100-x( SnS2 )x thin films: Nada Khdair Abbas|Anwar Ali Baker|Nadia Jasim Ghdeeb. Baghdad Sci.J [Internet]. 2014Jun.1 [cited 2021Aug.4];11(2):641-5. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2676
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