Photoconductivity study of TiO2 thin films annealed in oxygen ambient / Anis Ataillah Ismail

The main objective of this thesis is to present the research on photoconductivity of TiO2 thin film annealed in oxygen ambient. Titanium dioxide thin films have been deposited on glass substrate by sol gel technique (dip coating method) at various oxygen flow rate. The electrical conductivity, surfa...

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Main Author:	Ismail, Anis Ataillah
Format:	Thesis
Language:	English
Published:	2010
Subjects:	Electric conductivity
Online Access:	https://ir.uitm.edu.my/id/eprint/98712/1/98712.pdf
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id	my-uitm-ir.98712
record_format	uketd_dc
spelling	my-uitm-ir.987122024-08-05T03:16:32Z Photoconductivity study of TiO2 thin films annealed in oxygen ambient / Anis Ataillah Ismail 2010 Ismail, Anis Ataillah Electric conductivity The main objective of this thesis is to present the research on photoconductivity of TiO2 thin film annealed in oxygen ambient. Titanium dioxide thin films have been deposited on glass substrate by sol gel technique (dip coating method) at various oxygen flow rate. The electrical conductivity, surface morphology and optical properties of these thin films have been studied using Current Voltage (I-V) Measurement, SEM and UV-VIS-NIR Spectrophotometer, respectively. It is shown that in sol gel derived TiO2 thin films the oxygen adsorption has a great influence on photoconductivity. The photoconductivity depends on the ambient environment. A UV-VIS-NIR spectrum reveals all films exhibit high transmission (50%) in UV-NIR region. From I-V measurement result, the electrical properties were studied in dark and under illumination as a function of oxygen flow rate. Introduction of oxygen in TiO2 based coatings induces an increase of their electrical resistivity. The reduction hardness of TiO2 thin films with increase of the oxygen flow rate is discussed based on film structure that shown by SEM. 2010 Thesis https://ir.uitm.edu.my/id/eprint/98712/ https://ir.uitm.edu.my/id/eprint/98712/1/98712.pdf text en public degree Universiti Teknologi MARA (UiTM) Faculty of Electrical Engineering Hussin, Hanim
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
advisor	Hussin, Hanim
topic	Electric conductivity
spellingShingle	Electric conductivity Ismail, Anis Ataillah Photoconductivity study of TiO2 thin films annealed in oxygen ambient / Anis Ataillah Ismail
description	The main objective of this thesis is to present the research on photoconductivity of TiO2 thin film annealed in oxygen ambient. Titanium dioxide thin films have been deposited on glass substrate by sol gel technique (dip coating method) at various oxygen flow rate. The electrical conductivity, surface morphology and optical properties of these thin films have been studied using Current Voltage (I-V) Measurement, SEM and UV-VIS-NIR Spectrophotometer, respectively. It is shown that in sol gel derived TiO2 thin films the oxygen adsorption has a great influence on photoconductivity. The photoconductivity depends on the ambient environment. A UV-VIS-NIR spectrum reveals all films exhibit high transmission (50%) in UV-NIR region. From I-V measurement result, the electrical properties were studied in dark and under illumination as a function of oxygen flow rate. Introduction of oxygen in TiO2 based coatings induces an increase of their electrical resistivity. The reduction hardness of TiO2 thin films with increase of the oxygen flow rate is discussed based on film structure that shown by SEM.
format	Thesis
qualification_level	Bachelor degree
author	Ismail, Anis Ataillah
author_facet	Ismail, Anis Ataillah
author_sort	Ismail, Anis Ataillah
title	Photoconductivity study of TiO2 thin films annealed in oxygen ambient / Anis Ataillah Ismail
title_short	Photoconductivity study of TiO2 thin films annealed in oxygen ambient / Anis Ataillah Ismail
title_full	Photoconductivity study of TiO2 thin films annealed in oxygen ambient / Anis Ataillah Ismail
title_fullStr	Photoconductivity study of TiO2 thin films annealed in oxygen ambient / Anis Ataillah Ismail
title_full_unstemmed	Photoconductivity study of TiO2 thin films annealed in oxygen ambient / Anis Ataillah Ismail
title_sort	photoconductivity study of tio2 thin films annealed in oxygen ambient / anis ataillah ismail
granting_institution	Universiti Teknologi MARA (UiTM)
granting_department	Faculty of Electrical Engineering
publishDate	2010
url	https://ir.uitm.edu.my/id/eprint/98712/1/98712.pdf
_version_	1811768956192555008

Photoconductivity study of TiO2 thin films annealed in oxygen ambient / Anis Ataillah Ismail

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