Title page for etd-0805109-220643


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URN etd-0805109-220643
Author Hsiao-Chi Huang
Author's Email Address No Public.
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Department Electrical Engineering
Year 2008
Semester 2
Degree Master
Type of Document
Language English
Title Study of Titanium Dioxide Paste Prepared with Anhydrous Alcohol for Dye-Sensitized Solar Cells and Improved by Ammonium Fluoride
Date of Defense 2009-07-21
Page Count 73
Keyword
  • Titanium Dioxide
  • Dye-Sensitized Solar Cell
  • Liquid Phase Deposition
  • Abstract In this study, we deposit titanium dioxide (TiO2) on the indium tin oxide (ITO/glass) substrate by a liquid phase deposition (LPD) method as a buffer layer and coat TiO¬2 particles on LPD-TiO2 films by spin-coating method as anode of dye-sensitize solar cell (DSSC). In order to adjust the optical absorption edge of titanium dioxide to the visible light, we co-dope fluorine and nitrogen into TiO2 by LPD method and Ammonium Fluoride (NH4F).
    In our experiment, the morphology and thickness was characterized by scanning electron microscopy (SEM), structure was characterized by X-ray diffraction (XRD), chemical properties was characterized by electron spectroscope chemical analysis (ESCA), structural and spectral properties were characterized by ultraviolet-visible spectroscopy (UV-Vis) spectroscopy and current-voltage (I-V) characterization of solar cells was measured by B1500A.
    In our results, we enhance the performance of TiO2 as a DSSC`s anode, the open circuit voltage can reach to 0.71 V, the short circuit current can reach to 5.14 mA, the conversion efficiency can reach to 1.91 % and the fill factor can reach to 52.5 %.
    Advisory Committee
  • Kuo-Mei Chen - chair
  • Tsu-Hsin Chang - co-chair
  • Jeng Gong - co-chair
  • Ming-Kwei Lee - advisor
  • Files
  • etd-0805109-220643.pdf
  • indicate accessible in a year
    Date of Submission 2009-08-05

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