Journal
MATERIALS LETTERS
Volume 65, Issue 12, Pages 1808-1810Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2011.03.044
Keywords
Titanium dioxide; Ordered porous materials; Photovoltaic performance; Thin films
Funding
- National Nature Science Fund of China [20976016]
- Nature Science Fund of Hunan Province [09JJ6067]
- Hunan Municipal Science and Technology Project [08FJ1002]
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Ordered porous TiO2 thin films were fabricated on conductive glass by using colloid crystal template of polystyrene (PS) spheres. Microstructural characterization by scanning electron microscopy techniques was carried out to explore the porous structural changes due to the PS templates which could be controlled by adjusting the drawing rate. Photovoltaic performance was measured and this revealed the effect of microstructural changes. The results showed that monolayer porous TiO2 films and multilayer porous TiO2 films could be successfully prepared. And multilayer porous TiO2 films provided large surface area for dye absorption to increase the efficiency of dye-sensitized solar cells (DSSCs) which were assembled by porous TiO2 films. (C) 2011 Elsevier B.V. All rights reserved.
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