THE INFLUENCE OF THE TREATMENT OF SnS THIN FILMS WITH ALCOHOLIC SOLUTION, FOLLOWED BY ANNEALING

OSMANI, Beltina and TANUSEVSKI, Atanas and JASHARI, Ahmed (2026) THE INFLUENCE OF THE TREATMENT OF SnS THIN FILMS WITH ALCOHOLIC SOLUTION, FOLLOWED BY ANNEALING. In: INTERNATIONAL CONFERENCE “FROM RESEARCH TO APPLICATION”, 20 May, 2026.

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Abstract

Tin(II) sulfide (SnS) is a promising semiconductor material for photovoltaic and optoelectronic applications due to its suitable band gap, high absorption coefficient, non-toxicity, and abundance in nature. In this work, SnS thin films were deposited on glass substrates using the chemical bath deposition (CBD) technique. The deposition bath contained SnCl2·2H2O, NH4F, NH4OH, and Na2S2O3 solutions at pH = 7. After deposition, the films were treated in an alcoholic SnCl2 solution for different immersion times and annealed at 300 °C. Structural properties of the films were investigated using X-ray diffraction (XRD). The analysis confirmed the formation of polycrystalline orthorhombic SnS. Crystallite size was estimated using the Scherrer equation and increased from 34 nm for untreated films to 50 nm after repeated treatment and annealing. The reduction in diffraction peak broadening indicates improved crystallinity and grain growth. Untreated films exhibited p-type conductivity, while longer treatment in SnCl2 solution resulted in conversion to n-type conductivity. The results demonstrate that post- deposition treatment significantly affects the structural and electrical properties of SnS thin films and may improve their suitability for thin-film solar cell applications.

Item Type: Conference or Workshop Item (Paper)
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Engineering, Science and Mathematics > School of Chemistry
Depositing User: Unnamed user with email zshi@unite.edu.mk
Date Deposited: 23 Sep 2026 10:08
Last Modified: 23 Sep 2026 10:08
URI: http://eprints.unite.edu.mk/id/eprint/2472

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