Synthesis Of Graphene Oxides Doped Molybdenum Oxide Thin Film By Spray Pyrolysis For Carrier Selective Contact And Their Effects On Silicon Based Solar Cell Performance

The carrier selective transport layer phenomenon has been successfully employed for organic heterojunction solar cells during the past three decades. Recently, the process has been transferred to silicon-based cells to achieve the same functions. The thermal evaporation technique has been used for f...

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Main Author:	Yusuf, Bashir
Format:	Thesis
Language:	English
Published:	2022
Subjects:	QC1 Physics (General)
Online Access:	http://eprints.usm.my/59250/1/BASHIR%20YUSUF%20-%20TESIS24.pdf
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id	my-usm-ep.59250
record_format	uketd_dc
spelling	my-usm-ep.592502023-08-24T03:53:45Z Synthesis Of Graphene Oxides Doped Molybdenum Oxide Thin Film By Spray Pyrolysis For Carrier Selective Contact And Their Effects On Silicon Based Solar Cell Performance 2022-06 Yusuf, Bashir QC1 Physics (General) The carrier selective transport layer phenomenon has been successfully employed for organic heterojunction solar cells during the past three decades. Recently, the process has been transferred to silicon-based cells to achieve the same functions. The thermal evaporation technique has been used for film deposition. However, the ability to control the oxygen vacancy defect via thermal evaporation is limited, and the requirement for the deposition temperature obstructs the upscaling process to industrial mass production. This research examines the growth and characterizations of molybdenum oxide doped with graphene oxides nanostructures by spray pyrolysis technique for carrier selective transport applications. At the first stage, the influence of deposition conditions (pH solution, precursor molarity and solution flow rate) on the growth and physical properties of the MoO3 films were analyzed. The structural results showed the formation of orthorhombic lamellar growth along (0k0) orientation for all the deposition conditions. The field emission scanning electron microscopes (FESEM) confirmed pH, molarity, and solution flow rate dependence on the formation of nanobelt-like layered geometry. The EDX spectrum analysis justified the presence of O, Mo, and Si for all the growth conditions. 2022-06 Thesis http://eprints.usm.my/59250/ http://eprints.usm.my/59250/1/BASHIR%20YUSUF%20-%20TESIS24.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Sains Fizik
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	QC1 Physics (General)
spellingShingle	QC1 Physics (General) Yusuf, Bashir Synthesis Of Graphene Oxides Doped Molybdenum Oxide Thin Film By Spray Pyrolysis For Carrier Selective Contact And Their Effects On Silicon Based Solar Cell Performance
description	The carrier selective transport layer phenomenon has been successfully employed for organic heterojunction solar cells during the past three decades. Recently, the process has been transferred to silicon-based cells to achieve the same functions. The thermal evaporation technique has been used for film deposition. However, the ability to control the oxygen vacancy defect via thermal evaporation is limited, and the requirement for the deposition temperature obstructs the upscaling process to industrial mass production. This research examines the growth and characterizations of molybdenum oxide doped with graphene oxides nanostructures by spray pyrolysis technique for carrier selective transport applications. At the first stage, the influence of deposition conditions (pH solution, precursor molarity and solution flow rate) on the growth and physical properties of the MoO3 films were analyzed. The structural results showed the formation of orthorhombic lamellar growth along (0k0) orientation for all the deposition conditions. The field emission scanning electron microscopes (FESEM) confirmed pH, molarity, and solution flow rate dependence on the formation of nanobelt-like layered geometry. The EDX spectrum analysis justified the presence of O, Mo, and Si for all the growth conditions.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Yusuf, Bashir
author_facet	Yusuf, Bashir
author_sort	Yusuf, Bashir
title	Synthesis Of Graphene Oxides Doped Molybdenum Oxide Thin Film By Spray Pyrolysis For Carrier Selective Contact And Their Effects On Silicon Based Solar Cell Performance
title_short	Synthesis Of Graphene Oxides Doped Molybdenum Oxide Thin Film By Spray Pyrolysis For Carrier Selective Contact And Their Effects On Silicon Based Solar Cell Performance
title_full	Synthesis Of Graphene Oxides Doped Molybdenum Oxide Thin Film By Spray Pyrolysis For Carrier Selective Contact And Their Effects On Silicon Based Solar Cell Performance
title_fullStr	Synthesis Of Graphene Oxides Doped Molybdenum Oxide Thin Film By Spray Pyrolysis For Carrier Selective Contact And Their Effects On Silicon Based Solar Cell Performance
title_full_unstemmed	Synthesis Of Graphene Oxides Doped Molybdenum Oxide Thin Film By Spray Pyrolysis For Carrier Selective Contact And Their Effects On Silicon Based Solar Cell Performance
title_sort	synthesis of graphene oxides doped molybdenum oxide thin film by spray pyrolysis for carrier selective contact and their effects on silicon based solar cell performance
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Sains Fizik
publishDate	2022
url	http://eprints.usm.my/59250/1/BASHIR%20YUSUF%20-%20TESIS24.pdf
_version_	1776101272327290880

Synthesis Of Graphene Oxides Doped Molybdenum Oxide Thin Film By Spray Pyrolysis For Carrier Selective Contact And Their Effects On Silicon Based Solar Cell Performance

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