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Charge Transfer State Versus Hot Exciton Dissociation in Polymer−Fullerene Blended Solar Cells
Abstract
We examine the significance of hot exciton dissociation in two archetypical polymer-fullerene blend solar cells. Rather than evolving through a bound charge transfer state, hot processes are proposed to convert excitons directly into free charges. But we find that the internal quantum yields of carrier photogeneration are similar for both excitons and direct excitation of charge transfer states. The internal quantum yield, together with the temperature dependence of the current-voltage characteristics, is consistent with negligible impact from hot exciton dissociation.
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Hot exciton dissociation in polymer solar cells
Grancini, G., Maiuri, M., Fazzi, D., Petrozza, A., Egelhaaf, H.-J., Brida, D., Cerullo, G., & Lanzani, G. (2013) · Nature Materials · doi:10.1038/nmat3502 · Cited by 658
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Hedley, G. J., Ruseckas, A., & Samuel, I. D. W. (2017) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00215 · Cited by 580
Li, W., Roelofs, W. S. C., Wienk, M. M., & Janssen, R. A. J. (2012) · Journal of the American Chemical Society · doi:10.1021/ja305358z · Cited by 268
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Metadata
- Authors
- Lee, J., Vandewal, K., Yost, S. R., Bahlke, M. E., Goris, L., Baldo, M. A., Manca, J. V., & Van Voorhis, T.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-08-06
- Volume
- 132
- Issue
- 34
- Pages
- 11878-11880
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1999130196
- Cited by
- 356
- References
- 0
- FWCI
- 29.16
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lee, J., Vandewal, K., Yost, S. R., Bahlke, M. E., Goris, L., Baldo, M. A., Manca, J. V., & Van Voorhis, T. (2010). Charge Transfer State Versus Hot Exciton Dissociation in Polymer−Fullerene Blended Solar Cells. Journal of the American Chemical Society. https://doi.org/10.1021/ja1045742
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