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Efficient Tandem Polymer Solar Cells Fabricated by All-Solution Processing
Abstract
Tandem solar cells, in which two solar cells with different absorption characteristics are linked to use a wider range of the solar spectrum, were fabricated with each layer processed from solution with the use of bulk heterojunction materials comprising semiconducting polymers and fullerene derivatives. A transparent titanium oxide (TiO x ) layer separates and connects the front cell and the back cell. The TiO x layer serves as an electron transport and collecting layer for the first cell and as a stable foundation that enables the fabrication of the second cell to complete the tandem cell architecture. We use an inverted structure with the low band-gap polymer-fullerene composite as the charge-separating layer in the front cell and the high band-gap polymer composite as that in the back cell. Power-conversion efficiencies of more than 6% were achieved at illuminations of 200 milliwatts per square centimeter.
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Cited by
Bulk heterojunction solar cells with internal quantum efficiency approaching 100%
Park, S. H., Roy, A., Beaupré, S., Cho, S., Coates, N., Moon, J. S., Moses, D., Leclerc, M., Lee, K., & Heeger, A. J. (2009) · Nature Photonics · doi:10.1038/nphoton.2009.69 · Cited by 4,073
Self-citationA polymer tandem solar cell with 10.6% power conversion efficiency
You, J., Dou, L., Yoshimura, K., Kato, T., Ohya, K., Moriarty, T., Emery, K., Chen, C.-C., Gao, J., Li, G., et al. (2013) · Nature Communications · doi:10.1038/ncomms2411 · Cited by 2,778
Charge Photogeneration in Organic Solar Cells
Clarke, T. M., & Durrant, J. R. (2010) · Chemical Reviews · doi:10.1021/cr900271s · Cited by 2,372
Efficient organic solar cells processed from hydrocarbon solvents
Zhao, J., Li, Y., Yang, G., Jiang, K., Lin, H., Ade, H., Ma, W., & Yan, H. (2016) · Nature Energy · doi:10.1038/nenergy.2015.27 · Cited by 2,367
Georgakilas, V., Perman, J. A., Tucek, J., & Zboril, R. (2015) · Chemical Reviews · doi:10.1021/cr500304f · Cited by 2,147
Metadata
- Authors
- Kim, J. Y., Lee, K., Coates, N. E., Moses, D., Nguyen, T.-Q., Dante, M., & Heeger, A. J.
- Venue
- Science
- Published
- 2007-07-13
- Volume
- 317
- Issue
- 5835
- Pages
- 222-225
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2098508266
- Cited by
- 3,270
- References
- 0
- FWCI
- 304.92
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kim, J. Y., Lee, K., Coates, N. E., Moses, D., Nguyen, T.-Q., Dante, M., & Heeger, A. J. (2007). Efficient Tandem Polymer Solar Cells Fabricated by All-Solution Processing. Science. https://doi.org/10.1126/science.1141711
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