Nanomeghyas

Nanomeghyas

Preparation of nano-structured SnS thin films by chemical bath deposition method and investigating complexing agent on its properties

Document Type : Original Article

Authors
Seyyedeh Maryam Mohammadi 1
Alireza Goudarzi 2
Reza Sahraei 3
1 Department of chemistry, Faculty of Sciences, Golestan University, Golestan, Gorgan
2 ِDept. of Polymer Engineering, ,Faculty of Engineering, Golestan University, Gorgan,Iran
3 3Department of chemistry, Faculty of Sciences, Ilam University, Ilam
Abstract
In this study, nanostructured SnS thin films were prepared using two complexing agents of ammonium acetate and hexamethylenetetramine (HMTA) by chemical bath deposition method on the glass and
polyethylene terephthalate (PET) substrate. The effect of complexing agents on surface morphology, structure, optical properties and particle size of the films were investigated by various techniques. The FE-SEM images of the samples showed that the SnS nanoparticles were coated as dense and homogenous on the substrate. The XRD results indicated that the SnS thin films well-crystallized and had orthorhombic crystal structure. The energy gap values of the films varied from 1.06 to 1.07 eV. The results of ultraviolet-visible spectrum of the samples showed that the SnS films had low transmittance values in the visible region, therefore they can be used as an absorber layer in the solar cells.
Keywords
thin film
tin sulfide
optical properties
absorber layer
chemical bath deposition

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  • Receive Date 20 May 2022
  • Revise Date 18 January 2023
  • Accept Date 19 February 2023