Synthesis And Characterization Of Zinc Oxide Nanorods Sensitised By In2S3, Pbs And In2S3-Pbs For Photoelectrochemical Application

This study focuses on the synthesis and characterisation of zinc oxide nanorods sensitised by narrow bandgap energy metal chalcogenides for photoelectrochemical application. In this study, ZnO nanoparticles seed layer (NPs) was prepared by RF Magnetron sputtering and sol-gel spin coating technique,...

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Main Author:	Almamari, Mohammed Rashid Obaid
Format:	Thesis
Language:	English
Published:	2022
Subjects:	QC1 Physics (General)
Online Access:	http://eprints.usm.my/59716/1/24%20Pages%20from%20MOHAMMED%20RASHID%20OBAID%20ALMAMARI%20-%20TESIS.pdf
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spelling	my-usm-ep.597162023-12-20T02:27:12Z Synthesis And Characterization Of Zinc Oxide Nanorods Sensitised By In2S3, Pbs And In2S3-Pbs For Photoelectrochemical Application 2022-09 Almamari, Mohammed Rashid Obaid QC1 Physics (General) This study focuses on the synthesis and characterisation of zinc oxide nanorods sensitised by narrow bandgap energy metal chalcogenides for photoelectrochemical application. In this study, ZnO nanoparticles seed layer (NPs) was prepared by RF Magnetron sputtering and sol-gel spin coating technique, followed by heat-treatment at different temperatures to optimise the nucleation. ZnO nanorod arrays (NRAs) were then grown through a simple, facile hydrothermal method on the optimised seed layer sample. The effect of hydrothermal growth duration was optimised to ensure achieving the high aspect ratio of ZnO NRAs. In2S3/ZnO NRAs/ITO and PbS/ZnO NRAs/ITO were prepared using successive ionic layer adsorption and reaction (SILAR) method. In addition, considering the effect of various parameters on formation of In2S3/ZnO NRAs and PbS/ZnO NRAs nanocomposite, the synthesis was carried out with variation in number of SILAR cycles, dipping time, concentration of cationic precursor, and annealing temperature. The formation of ZnO nanorods and In2S3 was noticed when the colour of the samples changed from colourless to white for ZnO, and yellow for In2S3/ZnO. The powder X-ray diffraction (XRD) analysis verified that the synthesised ZnO NRAs sample has hexagonal phase, whereas In2S3 has tetrahedral crystal structure. The deposited photosensitiser has no effect on the host material structure. 2022-09 Thesis http://eprints.usm.my/59716/ http://eprints.usm.my/59716/1/24%20Pages%20from%20MOHAMMED%20RASHID%20OBAID%20ALMAMARI%20-%20TESIS.pdf application/pdf en public phd doctoral Perpustakaan Hamzah Sendut Pusat Pengajian Sains Fizik
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	QC1 Physics (General)
spellingShingle	QC1 Physics (General) Almamari, Mohammed Rashid Obaid Synthesis And Characterization Of Zinc Oxide Nanorods Sensitised By In2S3, Pbs And In2S3-Pbs For Photoelectrochemical Application
description	This study focuses on the synthesis and characterisation of zinc oxide nanorods sensitised by narrow bandgap energy metal chalcogenides for photoelectrochemical application. In this study, ZnO nanoparticles seed layer (NPs) was prepared by RF Magnetron sputtering and sol-gel spin coating technique, followed by heat-treatment at different temperatures to optimise the nucleation. ZnO nanorod arrays (NRAs) were then grown through a simple, facile hydrothermal method on the optimised seed layer sample. The effect of hydrothermal growth duration was optimised to ensure achieving the high aspect ratio of ZnO NRAs. In2S3/ZnO NRAs/ITO and PbS/ZnO NRAs/ITO were prepared using successive ionic layer adsorption and reaction (SILAR) method. In addition, considering the effect of various parameters on formation of In2S3/ZnO NRAs and PbS/ZnO NRAs nanocomposite, the synthesis was carried out with variation in number of SILAR cycles, dipping time, concentration of cationic precursor, and annealing temperature. The formation of ZnO nanorods and In2S3 was noticed when the colour of the samples changed from colourless to white for ZnO, and yellow for In2S3/ZnO. The powder X-ray diffraction (XRD) analysis verified that the synthesised ZnO NRAs sample has hexagonal phase, whereas In2S3 has tetrahedral crystal structure. The deposited photosensitiser has no effect on the host material structure.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Almamari, Mohammed Rashid Obaid
author_facet	Almamari, Mohammed Rashid Obaid
author_sort	Almamari, Mohammed Rashid Obaid
title	Synthesis And Characterization Of Zinc Oxide Nanorods Sensitised By In2S3, Pbs And In2S3-Pbs For Photoelectrochemical Application
title_short	Synthesis And Characterization Of Zinc Oxide Nanorods Sensitised By In2S3, Pbs And In2S3-Pbs For Photoelectrochemical Application
title_full	Synthesis And Characterization Of Zinc Oxide Nanorods Sensitised By In2S3, Pbs And In2S3-Pbs For Photoelectrochemical Application
title_fullStr	Synthesis And Characterization Of Zinc Oxide Nanorods Sensitised By In2S3, Pbs And In2S3-Pbs For Photoelectrochemical Application
title_full_unstemmed	Synthesis And Characterization Of Zinc Oxide Nanorods Sensitised By In2S3, Pbs And In2S3-Pbs For Photoelectrochemical Application
title_sort	synthesis and characterization of zinc oxide nanorods sensitised by in2s3, pbs and in2s3-pbs for photoelectrochemical application
granting_institution	Perpustakaan Hamzah Sendut
granting_department	Pusat Pengajian Sains Fizik
publishDate	2022
url	http://eprints.usm.my/59716/1/24%20Pages%20from%20MOHAMMED%20RASHID%20OBAID%20ALMAMARI%20-%20TESIS.pdf
_version_	1794024042170155008

Synthesis And Characterization Of Zinc Oxide Nanorods Sensitised By In2S3, Pbs And In2S3-Pbs For Photoelectrochemical Application

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