Synthesis and characterization of lead-free perovskite thin film deposited using spin coating technique

Perovskite solar cell (PSC) technologies are viewed as promising innovation and have sparked a lot of interests due to their efficiency, ease of manufacture, and low energy and environmental impacts. The performance of PSC has improved quickly in recent years, with the current record of 25.6 % power...

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Main Author:	Ramli, Ain Ajeerah
Format:	Thesis
Language:	English
Published:	2023
Subjects:	Q Science (General)
Online Access:	http://eprints.utm.my/id/eprint/101460/1/AinAjeerahRamliMFS2023.pdf
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spelling	my-utm-ep.1014602023-06-21T09:42:49Z Synthesis and characterization of lead-free perovskite thin film deposited using spin coating technique 2023 Ramli, Ain Ajeerah Q Science (General) Perovskite solar cell (PSC) technologies are viewed as promising innovation and have sparked a lot of interests due to their efficiency, ease of manufacture, and low energy and environmental impacts. The performance of PSC has improved quickly in recent years, with the current record of 25.6 % power conversion efficiency (PCE). The purpose of this thesis is to fabricate methylammonium tin triiodide, CH3NH3SnI3 perovskite thin film using spin coating technique. By manipulating spin rate and the precursor concentration, the structural and optical properties of microscope perovskite thin film were investigated and characterised using scanning electron -SEM, atomic force microscope-AFM, X-ray diffraction-XRD, and Ultraviolet-Visible spectroscopy respectively. The XRD result showed that CH3NH3SnI3 perovskite material exhibits intense peaks corresponding to the plane (100) and (200) at the angles of 14º and 28º. The results from AFM revealed that perovskite film fabricated at 2000 rpm with 1.0 M of precursor concentration showed a uniform and consistent surface structure with a root mean square roughness (Rrms) of 20.70 nm. From SEM analysis, perovskite thin film fabricated at 2000 rpm with precursor concentration of 1.0 M showed a significant homogeneous and uniform layer. From UV-Vis data, the highest absorption spectra was demonstrated by the perovskite film with 1.0 M concentration and fabricated at 2000 rpm spin rate. By controlling the spin rate and precursor concentration during the fabrication process, it was shown that 2000 rpm and 1.0 M are the best parameters for good perovskite thin film quality for solar cell application. 2023 Thesis http://eprints.utm.my/id/eprint/101460/ http://eprints.utm.my/id/eprint/101460/1/AinAjeerahRamliMFS2023.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:151551 masters Universiti Teknologi Malaysia, Faculty of Science Faculty of Science
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	Q Science (General)
spellingShingle	Q Science (General) Ramli, Ain Ajeerah Synthesis and characterization of lead-free perovskite thin film deposited using spin coating technique
description	Perovskite solar cell (PSC) technologies are viewed as promising innovation and have sparked a lot of interests due to their efficiency, ease of manufacture, and low energy and environmental impacts. The performance of PSC has improved quickly in recent years, with the current record of 25.6 % power conversion efficiency (PCE). The purpose of this thesis is to fabricate methylammonium tin triiodide, CH3NH3SnI3 perovskite thin film using spin coating technique. By manipulating spin rate and the precursor concentration, the structural and optical properties of microscope perovskite thin film were investigated and characterised using scanning electron -SEM, atomic force microscope-AFM, X-ray diffraction-XRD, and Ultraviolet-Visible spectroscopy respectively. The XRD result showed that CH3NH3SnI3 perovskite material exhibits intense peaks corresponding to the plane (100) and (200) at the angles of 14º and 28º. The results from AFM revealed that perovskite film fabricated at 2000 rpm with 1.0 M of precursor concentration showed a uniform and consistent surface structure with a root mean square roughness (Rrms) of 20.70 nm. From SEM analysis, perovskite thin film fabricated at 2000 rpm with precursor concentration of 1.0 M showed a significant homogeneous and uniform layer. From UV-Vis data, the highest absorption spectra was demonstrated by the perovskite film with 1.0 M concentration and fabricated at 2000 rpm spin rate. By controlling the spin rate and precursor concentration during the fabrication process, it was shown that 2000 rpm and 1.0 M are the best parameters for good perovskite thin film quality for solar cell application.
format	Thesis
qualification_level	Master's degree
author	Ramli, Ain Ajeerah
author_facet	Ramli, Ain Ajeerah
author_sort	Ramli, Ain Ajeerah
title	Synthesis and characterization of lead-free perovskite thin film deposited using spin coating technique
title_short	Synthesis and characterization of lead-free perovskite thin film deposited using spin coating technique
title_full	Synthesis and characterization of lead-free perovskite thin film deposited using spin coating technique
title_fullStr	Synthesis and characterization of lead-free perovskite thin film deposited using spin coating technique
title_full_unstemmed	Synthesis and characterization of lead-free perovskite thin film deposited using spin coating technique
title_sort	synthesis and characterization of lead-free perovskite thin film deposited using spin coating technique
granting_institution	Universiti Teknologi Malaysia, Faculty of Science
granting_department	Faculty of Science
publishDate	2023
url	http://eprints.utm.my/id/eprint/101460/1/AinAjeerahRamliMFS2023.pdf
_version_	1776100703391973376

Synthesis and characterization of lead-free perovskite thin film deposited using spin coating technique

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