Green synthesis of lead sulphide nanoparticles for high-efficiency perovskite solar cell applications

Islam, Mohammad Aminul and Sarkar, Dilip Kumar and Shahinuzzaman, Md and Abdul Wahab, Yasmin and Khandaker, Mayeen Uddin and Tamam, Nissren and Sulieman, Abdelmoneim and Amin, Nowshad and Akhtaruzzaman, Md (2022) Green synthesis of lead sulphide nanoparticles for high-efficiency perovskite solar cell applications. Nanomaterials, 12 (11). ISSN 2079-4991, DOI

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In this study, lead sulfide (PbS) nanoparticles were synthesized by the chemical precipitation method using Aloe Vera extract with PbCl2 and Thiourea (H2N-CS-NH2). The synthesized nanoparticles have been investigated using x-ray diffraction (XRD), UV-Vis, energy-dispersive x-ray spectroscopy (EDX), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). XRD and TEM results confirm that the films are in the cubic phase. The crystallite size, lattice constant, micro-strain, dislocation density, optical bandgap, etc. have been determined using XRD and UV-Vis for investigating the quality of prepared nanoparticles. The possible application of these synthesized nanoparticles in the solar cells was investigated by fabricating the thin films on an FTO-coated and bare glass substrate. The properties of nanoparticles were found to be nearly retained in the film state as well. The experimentally found properties of thin films have been implemented for perovskite solar cell simulation and current-voltage and capacitance-voltage characteristics have been investigated. The simulation results showed that PbS nanoparticles could be a potential hole transport layer for high-efficiency perovskite solar cell applications.

Item Type: Article
Funders: Malaysian ministry of higher education [Grant No: FRGS/1/2020/TK0/UM/02/33], Princess Nourah bint Abdulrahman University [Grant No: PNURSP2022R12], Solar Energy Research Institute (SERI), Universiti Kebangsaan Malaysia (UKM), Malaysia, Faculty of Engineering, Universiti Malaya (@UM)
Uncontrolled Keywords: PbS nanoparticle; Green synthesis; TEM; PbS thin film; Perovskite solar cells
Subjects: Q Science > QC Physics
Q Science > QD Chemistry
Divisions: Faculty of Engineering > Department of Electrical Engineering
Deputy Vice Chancellor (Research & Innovation) Office > Nanotechnology & Catalysis Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 16 Oct 2023 03:20
Last Modified: 16 Oct 2023 03:20

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