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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 333-336 |
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Chharganeh kalangestani F, Esmaili Ghodsi F, Bazhan Z. The effect of zinc doping on the structural and optical properties of antimony sulfide nanostructures. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :333-336
URL: http://opsi.ir/article-1-2053-en.html
URL: http://opsi.ir/article-1-2053-en.html
1- university of Guilan
Abstract: (1547 Views)
In this research, the effect of zinc doping on the structural and optical properties of antimony sulfide thin films which prepared by dip coating sol-gel method on glass substrates was investigated. The crystal structure and morphology of the films were characterized by X-ray diffraction (XRD) analysis and field emission scanning electron microscopy (FESEM), respectively. Optical constants and thickness of the films were obtained by using transmission spectra in UV-Vis region and via pointwise unconstrained minimization approach. Optical measurements show that Sb2S3 thin films have high absorption coefficient. The band gap energy changes between 2.4 and 3.6 eV and by doping zinc, the band gap energy of the films decreases firstly and then increases. FESEM images of the films show that the grain size decreases with increasing doping rate and the surface morphology becomes uniform. Also, the obtained peaks in the XRD patterns show that the Sb2S3 films have an orthorhombic structure.
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