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Effect of traps on the performance of bulk heterojunction organic solar cells
Open accessAbstract
The effect of electron traps on the performance of bulk heterojunction organic solar cells made of poly[2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4-phenylene vinylene] blended with [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) is investigated. By deliberately introducing 7,7,8,8-tetracyanoquinodimethane, which is a stronger electron accepting molecule than PCBM, the electron transport in the solar cells becomes trap limited. We demonstrate that the open circuit voltage and its light-intensity dependence are strongly affected by recombination of holes with trapped electrons. Depending on the amount of traps, their recombination strength, and the light intensity, the losses due to trap-assisted recombination can even dominate over the intrinsic bimolecular recombination.
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Cited by
Charge Photogeneration in Organic Solar Cells
Clarke, T. M., & Durrant, J. R. (2010) · Chemical Reviews · doi:10.1021/cr900271s · Cited by 2,372
Polymer solar cells with enhanced fill factors
Guo, X., Zhou, N., Lou, S. J., Smith, J., Tice, D. B., Hennek, J. W., Ortiz, R. P., Navarrete, J. T. L., Li, S., Strzalka, J., et al. (2013) · Nature Photonics · doi:10.1038/nphoton.2013.207 · Cited by 938
Le Corre, V. M., Sherkar, T. S., Koopmans, M., & Koster, L. J. A. (2021) · Cell Reports Physical Science · doi:10.1016/j.xcrp.2021.100346 · Cited by 61
Cooling, N., Burke, K. B., Zhou, X., Lind, S. J., Gordon, K. C., Jones, T. W., Dastoor, P. C., & Belcher, W. J. (2011) · Solar Energy Materials and Solar Cells · doi:10.1016/j.solmat.2011.01.046 · Cited by 38
Metadata
- Authors
- Mandoc, M. M., Kooistra, F. B., Hummelen, J. C., de Boer, B., & Blom, P. W. M.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2007-12-24
- Volume
- 91
- Issue
- 26
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W1982411811
- Cited by
- 413
- References
- 0
- FWCI
- 6.93
- Type
- journal article
- Language
- en
- Open access
- green
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- Mandoc, M. M., Kooistra, F. B., Hummelen, J. C., de Boer, B., & Blom, P. W. M. (2007). Effect of traps on the performance of bulk heterojunction organic solar cells. Applied Physics Letters. https://doi.org/10.1063/1.2821368
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