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,...

Full description

Saved in:
Bibliographic Details
Main Author: Almamari, Mohammed Rashid Obaid
Format: Thesis
Language:English
Published: 2022
Subjects:
Online Access:http://eprints.usm.my/59716/1/24%20Pages%20from%20MOHAMMED%20RASHID%20OBAID%20ALMAMARI%20-%20TESIS.pdf
Tags: Add Tag
No Tags, Be the first to tag this record!
id my-usm-ep.59716
record_format uketd_dc
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