Nanostructured titanium dioxide thin film for dye-sensitized solar cell applications / Mohd Khairul Ahmad

Nanostructured titanium dioxide thin film for dye-sensitized solar cell applications / Mohd Khairul Ahmad

Nanostructured Titanium Dioxide (Ti0 2) thin film for Dye-Sensitized Solid State Solar Cell (DSSSC) application has been synthesized using sol-gel method and deposited onto silicon and glass substrates using spin coating technique. The optimized annealing temperature and sol-gel concentration wer...

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Bibliographic Details
Main Author: Ahmad, Mohd Khairul
Format: Thesis
Language:English
Published: 2009
Subjects:
Electricity
Electronics
Online Access:http://ir.uitm.edu.my/id/eprint/27370/
http://ir.uitm.edu.my/id/eprint/27370/1/TM_MOHD%20KHAIRUL%20AHMAD%20EE%2009_5.pdf
id uitm-27370
recordtype eprints
spelling uitm-273702020-01-21T03:50:03Z http://ir.uitm.edu.my/id/eprint/27370/ Nanostructured titanium dioxide thin film for dye-sensitized solar cell applications / Mohd Khairul Ahmad Ahmad, Mohd Khairul Electricity Electronics Nanostructured Titanium Dioxide (Ti0 2) thin film for Dye-Sensitized Solid State Solar Cell (DSSSC) application has been synthesized using sol-gel method and deposited onto silicon and glass substrates using spin coating technique. The optimized annealing temperature and sol-gel concentration were obtained at 500°C and 0.2M, respectively. Basically, there were four properties studied; surface morphology, structural, electrical and optical properties. Field Emission Scanning Electron Microscopy (FE-SEM) / Scanning Electron microscopy(SEM) were carried out to observe the changes in surface morphologywhenever there are changes on the parameters. X-Ray Diffractions (XRD) characterization of the samples was taken to examine the Ti0 2 crystalline phases and the intensity of nanocrystalline particles in the thin film. I-V measurement using two-point probe equipment was used to observe the electrical properties which include the measuring of the sheet resistance, the resistivity and the conductivity of the Ti0 2 thin film. The optical properties were observed using UV-Vis-NIR spectrophotometer.The thin film transmittance and the band gap energy were also observed using this spectrophotometer.At the end of this research, uniform and homogeneous Ti0 2 thin film has successfully prepared. By controlling the sol-gel concentration, a transparentTi0 2 thin film has been developed which has high transmittance property of above 80%. The Ti0 2 thin films which were annealed at a temperature of 500°C and prepared at 0.2M of sol-gel precursor concentration gave the optimum results. By adding Ti0 2 nanopowder, the surface area and porosity of Ti0 2 thin film is improved, thus good candidate to use in DSSSCapplication. 2009 Thesis NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/27370/1/TM_MOHD%20KHAIRUL%20AHMAD%20EE%2009_5.pdf Ahmad, Mohd Khairul (2009) Nanostructured titanium dioxide thin film for dye-sensitized solar cell applications / Mohd Khairul Ahmad. Masters thesis, Universiti Teknologi MARA.
repository_type Digital Repository
institution_category Local University
institution Universiti Teknologi MARA
building UiTM Institutional Repository
collection Online Access
language English
topic Electricity
Electronics
spellingShingle Electricity
Electronics
Ahmad, Mohd Khairul
Nanostructured titanium dioxide thin film for dye-sensitized solar cell applications / Mohd Khairul Ahmad
description Nanostructured Titanium Dioxide (Ti0 2) thin film for Dye-Sensitized Solid State Solar Cell (DSSSC) application has been synthesized using sol-gel method and deposited onto silicon and glass substrates using spin coating technique. The optimized annealing temperature and sol-gel concentration were obtained at 500°C and 0.2M, respectively. Basically, there were four properties studied; surface morphology, structural, electrical and optical properties. Field Emission Scanning Electron Microscopy (FE-SEM) / Scanning Electron microscopy(SEM) were carried out to observe the changes in surface morphologywhenever there are changes on the parameters. X-Ray Diffractions (XRD) characterization of the samples was taken to examine the Ti0 2 crystalline phases and the intensity of nanocrystalline particles in the thin film. I-V measurement using two-point probe equipment was used to observe the electrical properties which include the measuring of the sheet resistance, the resistivity and the conductivity of the Ti0 2 thin film. The optical properties were observed using UV-Vis-NIR spectrophotometer.The thin film transmittance and the band gap energy were also observed using this spectrophotometer.At the end of this research, uniform and homogeneous Ti0 2 thin film has successfully prepared. By controlling the sol-gel concentration, a transparentTi0 2 thin film has been developed which has high transmittance property of above 80%. The Ti0 2 thin films which were annealed at a temperature of 500°C and prepared at 0.2M of sol-gel precursor concentration gave the optimum results. By adding Ti0 2 nanopowder, the surface area and porosity of Ti0 2 thin film is improved, thus good candidate to use in DSSSCapplication.
format Thesis
author Ahmad, Mohd Khairul
author_facet Ahmad, Mohd Khairul
author_sort Ahmad, Mohd Khairul
title Nanostructured titanium dioxide thin film for dye-sensitized solar cell applications / Mohd Khairul Ahmad
title_short Nanostructured titanium dioxide thin film for dye-sensitized solar cell applications / Mohd Khairul Ahmad
title_full Nanostructured titanium dioxide thin film for dye-sensitized solar cell applications / Mohd Khairul Ahmad
title_fullStr Nanostructured titanium dioxide thin film for dye-sensitized solar cell applications / Mohd Khairul Ahmad
title_full_unstemmed Nanostructured titanium dioxide thin film for dye-sensitized solar cell applications / Mohd Khairul Ahmad
title_sort nanostructured titanium dioxide thin film for dye-sensitized solar cell applications / mohd khairul ahmad
publishDate 2009
url http://ir.uitm.edu.my/id/eprint/27370/
http://ir.uitm.edu.my/id/eprint/27370/1/TM_MOHD%20KHAIRUL%20AHMAD%20EE%2009_5.pdf
first_indexed 2023-09-18T23:18:20Z
last_indexed 2023-09-18T23:18:20Z
_version_ 1777419263288541184

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