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Dye-Sensitized TiO2 Solar Cells Using Polymer Gel Electrolytes Based on PVdF-HFP
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- Authors
- Man Gu Kang, Kwang Man Kim, Kwang Sun Ryu, Soon Ho Chang, Nam-Gyu Park, Jin Sup Hong, Kang-Jin Kim
- Issue Date
- 2004-06
- Citation
- Journal of the Electrochemical Society, v.151, no.7, pp.B257-B260
- ISSN
- 0013-4651
- Publisher
- Electrochemical Society (ECS)
- Language
- English
- Type
- Journal Article
- Abstract
- The open-circuit voltage increases substantially and stability of dye-sensitized TiO2 solar cells is improved when polymer gel containing poly(vinylidenefiuoride-co-hexafluoropropylene) (PVdF-HFP) in N-melhyl-2-pyrrolidone replaces commonly used solvents such as acetonitrile (ACN) and 3-methoxypropionitrile (MPN). The energy conversion efficiency of the cell with 6 wt % PVdF-HFP is comparable to that obtainable in ACN and in MPN. The promising effect of PVdF-HFP as a gelator is attributed to its interaction with Li+ ions. © 2004 The Electrochemical Society. All rights reserved.
- KSP Keywords
- 2-pyrrolidone, 3-Methoxypropionitrile, Conversion efficiency(C.E.), Dye-sensitized, Open circuit voltage(VOC), Poly(vinylidene fluoride-co-hexafluoropropylene)(PVDF-HFP), Sensitized TiO2, Solar Cells, energy conversion efficiency, polymer gel electrolyte