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Bimolecular recombination losses in polythiophene: Fullerene solar cells
Abstract
Transient absorption spectroscopy is employed to monitor charge carrier decay dynamics in an annealed poly(3-hexylthiophene): methanofullerene solar cell. Comparisons of device and film data and data under applied bias demonstrate that these dynamics are dominated by bimolecular recombination. These data allow us to quantify the rate constant for bimolecular recombination, found to be strongly carrier density dependent, and thus determine the bimolecular recombination flux. By comparison with the device short-circuit photocurrent we conclude that the open-circuit voltage is primarily limited by bimolecular recombination.
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Citations
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
Self-citationPolymer 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
Small is Powerful: Recent Progress in Solution‐Processed Small Molecule Solar Cells
Collins, S. D., Ran, N. A., Heiber, M. C., & Nguyen, T. (2017) · Advanced Energy Materials · doi:10.1002/aenm.201602242 · Cited by 414
Chen, W., Zhang, J., Xu, G., Xue, R., Li, Y., Zhou, Y., Hou, J., & Li, Y. (2018) · Advanced Materials · doi:10.1002/adma.201800855 · Cited by 348
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
- Shuttle, C. G., O’Regan, B., Ballantyne, A. M., Nelson, J., Bradley, D. D. C., & Durrant, J. R.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2008-09-09
- Volume
- 78
- Issue
- 11
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W1969582291
- Cited by
- 442
- References
- 0
- FWCI
- 28.69
- Type
- journal article
- Language
- en
- Open access
- closed
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- Shuttle, C. G., O’Regan, B., Ballantyne, A. M., Nelson, J., Bradley, D. D. C., & Durrant, J. R. (2008). Bimolecular recombination losses in polythiophene: Fullerene solar cells. Physical Review B. https://doi.org/10.1103/physrevb.78.113201
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