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naghdi jirkol S, Eshghi H. A study on the effect of annealing on morphology, structural and optical properties of nanostructured CuO thin films prepared by chemical bath deposition (CBD) method. ICOP & ICPET _ INPC _ ICOFS 2017; 23 :873-876
URL: http://opsi.ir/article-1-1363-en.html
URL: http://opsi.ir/article-1-1363-en.html
Abstract: (3349 Views)
Cupric oxide (CuO) thin films were prepared by chemical bath deposition (CBD) method on glass substrates using copper chloride solutions and then annealed at 300 °C in Argon atmosphere in different time intervals of 1 and 2 h. Samples were characterized by FESEM images, XRD and UV-Vis. spectra. We found that the as-grown nanostructured sample has a single-phase (CuO) monoclinic polycrystalline structure with preferred direction of (-111), but after annealing an addition Cu2O phase is also appeared. Analysis of the absorbance data showed that with increasing the annealing time the optical band gap of the sample decreases.
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