Simplified Route for Deposition of Binary and Ternary Bismuth Sulphide Thin Films for Solar Cell Applications

Tanzeela Fazal, Bushra Ismail, Mazloom Shah, Shahid Iqbal, Eslam B. Elkaeed, Nasser S. Awwad and Hala A. Ibrahium
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Tanzeela Fazal: Department of Chemistry, Abbottabad University of Science and Technology (AUST), Abbottabad 22500, Pakistan
Bushra Ismail: Department of Chemistry, COMSATS University Islamabad (CUI), Abbottabad 22060, Pakistan
Mazloom Shah: Department of Chemistry, Abbottabad University of Science and Technology (AUST), Abbottabad 22500, Pakistan
Shahid Iqbal: Department of Chemistry, School of Natural Sciences (SNS), National University of Science and Technology (NUST), H-12, Islamabad 46000, Pakistan
Eslam B. Elkaeed: Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Riyadh 13713, Saudi Arabia
Nasser S. Awwad: Chemistry Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
Hala A. Ibrahium: Biology Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia

Sustainability, 2022, vol. 14, issue 8, 1-12

Abstract: For photovoltaic applications, undoped and Ni 2+ doped Bi 2 S 3 thin films were chemically deposited onto glass substrates at room temperature. Elemental diffraction analysis confirmed the successful Ni 2+ incorporation in the range of 1.0 to 2.0 at. %, while X-ray Diffraction analysis revealed that orthorhombic crystal lattice of Bi 2 S 3 was conserved while transferring from binary to ternary phase. Scanning electron microscopy images reported homogeneous and crack-free morphology of the obtained films. Optoelectronic analysis revealed that the bandgap value was shifted from 1.7 to 1.1 eV. Ni 2+ incorporation also improved the carrier concentration, leading to higher electrical conductivity. Resultant optoelectronic behavior of ternary Bi 2−x Ni x S 3 thin films suggests that doping is proved to be an effectual tool to optimize the photovoltaic response of Bi 2 S 3 for solar cell applications.

Keywords: chemical bath deposition; optoelectronic properties; photovoltaic behaviour; semiconductors (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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