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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主要作者: Ismail, Anis Ataillah
格式: Thesis
语言:English
出版: 2010
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在线阅读:https://ir.uitm.edu.my/id/eprint/98712/1/98712.pdf
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spelling my-uitm-ir.987122024-11-11T03:14:52Z 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_ 1818587994725023744