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Electron Transport and Recombination in Solid-State Dye Solar Cell with Spiro-OMeTAD as Hole Conductor
Open accessAbstract
We show that electron transport mechanisms in TiO(2) solid-state dye-sensitized solar cells (SDSCs) with spiro-OMeTAD as hole conductor are similar to those of high-performance DSCs with liquid electrolytes and ionic liquids. Impedance spectroscopy provides the parameters for transport and recombination at different conditions of steady state in the dark. The recombination rate is much higher in the solid solar cell, this being a main limiting step to obtain high-efficiency SDSCs. Thus, the expected gain in photovoltage, due to a lower hole Fermi level, is prevented by recombination losses. Under low potentials the transport is limited by the electron transport in the TiO(2), but at high potentials spiro-OMeTAD transport resistance reduces the fill factor and hence the efficiency on high-current devices.
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Cited by
Kim, H.-S., Lee, C.-R., Im, J.-H., Lee, K.-B., Moehl, T., Marchioro, A., Moon, S.-J., Humphry-Baker, R., Yum, J.-H., Moser, J. E., et al. (2012) · Scientific Reports · doi:10.1038/srep00591 · Cited by 8,092
Self-citationCharacterization of nanostructured hybrid and organic solar cells by impedance spectroscopy
Fabregat-Santiago, F., Garcia-Belmonte, G., Mora-Seró, I., & Bisquert, J. (2011) · Physical Chemistry Chemical Physics · doi:10.1039/c0cp02249g · Cited by 1,206
Self-citationCounter electrodes in dye-sensitized solar cells
Wu, J., Lan, Z., Lin, J., Huang, M., Huang, Y., Fan, L., Luo, G., Lin, Y., Xie, Y., & Wei, Y. (2017) · Chemical Society Reviews · doi:10.1039/c6cs00752j · Cited by 788
Tsao, H. N., Yi, C., Moehl, T., Yum, J., Zakeeruddin, S. M., Nazeeruddin, M. K., & Grätzel, M. (2011) · ChemSusChem · doi:10.1002/cssc.201100120 · Cited by 339
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Metadata
- Authors
- Fabregat-Santiago, F., Bisquert, J., Cevey, L., Chen, P., Wang, M., Zakeeruddin, S. M., & Grätzel, M.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-12-24
- Volume
- 131
- Issue
- 2
- Pages
- 558-562
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1969321027
- Cited by
- 447
- References
- 0
- FWCI
- 13.58
- Type
- journal article
- Language
- en
- Open access
- green
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- Fabregat-Santiago, F., Bisquert, J., Cevey, L., Chen, P., Wang, M., Zakeeruddin, S. M., & Grätzel, M. (2009). Electron Transport and Recombination in Solid-State Dye Solar Cell with Spiro-OMeTAD as Hole Conductor. Journal of the American Chemical Society. https://doi.org/10.1021/ja805850q
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