Study of the properties of La-doped ZnS thin Films synthesized by Sol-gel method

Amel Tounsi1, Djahida Talantikite-Touati1, 3*, Hamid Merzouk2, 3, Hadjira Haddad1, Roumaïssa Khalfi1

1Department of Chemistry, Abderrahmane Mira University, 06000 Bejaia, Algeria

2Department of Physic, Abderrahmane Mira University, 06000 Bejaia, Algeria

3LGE Laboratory, Abderrahmane Mira University, 06000 Bejaia, Algeria

Adv. Mater. Lett., 2018, 9 (3), pp 216-219

DOI: 10.5185/amlett.2018.1963

Publication Date (Web): May 16, 2018

E-mail: dtalantikite@yahoo.fr

Abstract


The thin layers of undoped ZnS and ZnS doped La with different concentrations (2, 4, 6, 8 and 10%) were deposited on glass substrates using sol-gel and dip-coating methods. The structural characterization of these samples was carried out by the  X-rays diffraction (XRD), scanning electron microscopy (SEM) and atomic force microscopy (AFM). UV-visible and Fourier Transform Infrared spectroscopy (FTIR) have been used to study the effect of dopant on the optical properties of ZnS doped La thin films. Atomic force microscopy images of the films have revealed homogeneous and granular structure and the SEM micrographies show deposit films with uniform and porous structure. The optical transmission spectra in the UV - visible range have shown that all the doped films present a good optical transmission in the visible domain.

Keywords

ZnS doped La, nanoparticles, thin films, sol-gel method, UV-visible, SEM.

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