Preparation and characterization of ZnO nanorods on porous silicon nanostructures using sol-gel immersion method / Suhaidah Amizam

This thesis presents the preparation and characterization of ZnO nanorods on porous silicon nanostructures (PSiNs) using sol-gel immersion method. A simple method to synthesize the ZnO nanorods from aqueous solution that contain zinc nitrate hexahydrate (Zn(NO3)2•6H20) and hexamethylenetetramine (C6...

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Main Author: Amizam, Suhaidah
Format: Thesis
Language:English
Published: 2020
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Online Access:https://ir.uitm.edu.my/id/eprint/27580/1/TM_SUHAIDAH%20AMIZAM%20AS%2010_5.pdf
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spelling my-uitm-ir.275802022-06-14T04:33:02Z Preparation and characterization of ZnO nanorods on porous silicon nanostructures using sol-gel immersion method / Suhaidah Amizam 2020 Amizam, Suhaidah Composite materials Nanostructures This thesis presents the preparation and characterization of ZnO nanorods on porous silicon nanostructures (PSiNs) using sol-gel immersion method. A simple method to synthesize the ZnO nanorods from aqueous solution that contain zinc nitrate hexahydrate (Zn(NO3)2•6H20) and hexamethylenetetramine (C6H12N4) is presented. ZnO nanorods were prepared under different parameters such as molar concentration of precursors, immersion times, immersion temperatures and annealing temperatures to obtain the optimum growth parameter of ZnO nanorods on PSiNs substrate. All samples are then characterized by Scanning Electron Microscope (SEM) to study the surface morphology, X-Ray Diffraction (XRD) for purity and crystallinity of ZnO nanorods and Photoluminescence (PL) spectrometer to study the luminescence properties and defect states of ZnO nanorods. From the characterization measurements of the samples, observed that ZnO structures showed the width of ZnO microrods can be reduced to nanorods size by decreasing the molar concentration of precursor and increasing the immersion temperatures from 65 to 95°C at 15 h immersion time. X-ray Diffraction pattern for all samples corresponded to the hexagonal ZnO phase and it showed the orientation of nuclei is random on the PSiNs substrate. While photoluminescence study at room-temperature showed strong UV emission and several weak emissions at blue wavelength region which may suggest good materials for fabricating optoelectronic devices such as light emitting diodes (LEDs), solar cell, sensor and laser diodes (LDs). 2020 Thesis https://ir.uitm.edu.my/id/eprint/27580/ https://ir.uitm.edu.my/id/eprint/27580/1/TM_SUHAIDAH%20AMIZAM%20AS%2010_5.pdf text en public masters Universiti Teknologi MARA Faculty of Applied Sciences
institution Universiti Teknologi MARA
collection UiTM Institutional Repository
language English
topic Composite materials
Nanostructures
spellingShingle Composite materials
Nanostructures
Amizam, Suhaidah
Preparation and characterization of ZnO nanorods on porous silicon nanostructures using sol-gel immersion method / Suhaidah Amizam
description This thesis presents the preparation and characterization of ZnO nanorods on porous silicon nanostructures (PSiNs) using sol-gel immersion method. A simple method to synthesize the ZnO nanorods from aqueous solution that contain zinc nitrate hexahydrate (Zn(NO3)2•6H20) and hexamethylenetetramine (C6H12N4) is presented. ZnO nanorods were prepared under different parameters such as molar concentration of precursors, immersion times, immersion temperatures and annealing temperatures to obtain the optimum growth parameter of ZnO nanorods on PSiNs substrate. All samples are then characterized by Scanning Electron Microscope (SEM) to study the surface morphology, X-Ray Diffraction (XRD) for purity and crystallinity of ZnO nanorods and Photoluminescence (PL) spectrometer to study the luminescence properties and defect states of ZnO nanorods. From the characterization measurements of the samples, observed that ZnO structures showed the width of ZnO microrods can be reduced to nanorods size by decreasing the molar concentration of precursor and increasing the immersion temperatures from 65 to 95°C at 15 h immersion time. X-ray Diffraction pattern for all samples corresponded to the hexagonal ZnO phase and it showed the orientation of nuclei is random on the PSiNs substrate. While photoluminescence study at room-temperature showed strong UV emission and several weak emissions at blue wavelength region which may suggest good materials for fabricating optoelectronic devices such as light emitting diodes (LEDs), solar cell, sensor and laser diodes (LDs).
format Thesis
qualification_level Master's degree
author Amizam, Suhaidah
author_facet Amizam, Suhaidah
author_sort Amizam, Suhaidah
title Preparation and characterization of ZnO nanorods on porous silicon nanostructures using sol-gel immersion method / Suhaidah Amizam
title_short Preparation and characterization of ZnO nanorods on porous silicon nanostructures using sol-gel immersion method / Suhaidah Amizam
title_full Preparation and characterization of ZnO nanorods on porous silicon nanostructures using sol-gel immersion method / Suhaidah Amizam
title_fullStr Preparation and characterization of ZnO nanorods on porous silicon nanostructures using sol-gel immersion method / Suhaidah Amizam
title_full_unstemmed Preparation and characterization of ZnO nanorods on porous silicon nanostructures using sol-gel immersion method / Suhaidah Amizam
title_sort preparation and characterization of zno nanorods on porous silicon nanostructures using sol-gel immersion method / suhaidah amizam
granting_institution Universiti Teknologi MARA
granting_department Faculty of Applied Sciences
publishDate 2020
url https://ir.uitm.edu.my/id/eprint/27580/1/TM_SUHAIDAH%20AMIZAM%20AS%2010_5.pdf
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