Journal
THIN SOLID FILMS
Volume 517, Issue 16, Pages 4663-4667Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2009.02.129
Keywords
Electrophoretic deposition; Titanium dioxide; Dye-sensitized solar cell
Categories
Funding
- Thailand Research Fund [MRG5080226]
- The Integrated Nanotechnology Center
- Khon Kaen University
- PED project (Physics)
- The Commission on Higher Education
- The Ministry of Education, Thailand
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Nanocrystalline TiO2 films were deposited on a conducting glass substrate by the electrophoretic deposition technique. It was found that the thickness of TiO2 film increased proportionally with an increase in deposition time and deposition voltage. However, as the deposition duration or deposition voltage increased, the film surface was more discontinuous, and microcracks became more evident. The characteristic of the dye-sensitized solar cell using TiO2 film as a working electrode was analyzed. The results of the energy conversion efficiency and the photocurrent density exhibited a relationship dependent on the TiO2 thickness. Curve fitting of energy conversion efficiency vs. TiO2 thickness revealed the optimum solar cell efficiency similar to 2.8% at the film thickness of similar to 14 mu m. (C) 2009 Elsevier B.V. All rights reserved.
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