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Optical and Structure properties of heavily Al-doped CdS Films | ||
| basrah journal of science | ||
| Article 1, Volume 28, Issue 1, 2010, Pages 23-38 PDF (0 K) | ||
| Author | ||
| Husam S. Al-Salman | ||
| Abstract | ||
| Pure and heavy doped Cadmium sulfide thin films have been prepared using thermally evaporation on glass substrate at room temperature(R.T). CdS was doped by Al metal according to the weight ratio (CdS:Al=10:1,10:2) .Crystalline structure of thin films that annealed at different temperature for 1h was zincblende (ZB) structure with lattice parameter about 5.84Å. The preferred orientation of pure and doped CdS (CdS:Al=10:1) is (111) plane.Most of these films have transparency over 80% in the visible spectrum.Alminium doping into CdS films improved the optical transmittance in the visible region of light and increased the optical band gap from 2.38eV to 2.55eV. | ||
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