Deposition Time induced Structural and Optical Properties of Lead Tin Sulphide Thin Films

Authors

  • J. Damisa
  • J. O. Emegha Department of Physics, University of Benin, Benin City, Edo State, Nigeria
  • I. L. Ikhioya Department of Physics and Astronomy, University of Nigeria, Nsukka, Enugu State, Nigeria

Keywords:

Thin films, XRD, band gap, Pb-Sn-S, refractive index, absorption coefficient

Abstract

Lead tin sulphide (Pb-Sn-S) thin films (TFs) were deposited on fluorine-doped tin oxide (FTO) substrates via the electrochemical deposition process using lead (II) nitrate [Pb(NO3)2], tin (II) chloride dehydrate [SnCl2.2H2O] and thiacetamide [C2H5NS] precursors as sources of lead (Pb), tin (Sn) and sulphur (S). The solution of all the compounds was harmonized with a stirrer (magnetic) at 300k. In this study, we reported on the improvements in the properties (structural and optical) of Pb-Sn-S TFs by varying the deposition time. We observed from X-ray diffractometer (XRD) that the prepared material is polycrystalline in nature. UV-Vis measurements were done for the optical characterizations and the band gap values were seen to be increasing from 1.52 to 1.54 eV with deposition time. In addition to this, the absorption coefficient and refractive index were also estimated and discussed.

Dimensions

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Published

2021-11-29

How to Cite

Deposition Time induced Structural and Optical Properties of Lead Tin Sulphide Thin Films. (2021). Journal of the Nigerian Society of Physical Sciences, 3(4), 455-458. https://doi.org/10.46481/jnsps.2021.157

Issue

Volume 3, Issue 4, November 2021

Section

Original Research
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How to Cite

Deposition Time induced Structural and Optical Properties of Lead Tin Sulphide Thin Films. (2021). Journal of the Nigerian Society of Physical Sciences, 3(4), 455-458. https://doi.org/10.46481/jnsps.2021.157