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Pathways to a New Efficiency Regime for Organic Solar Cells
Open accessAbstract
Three different theoretical approaches are presented to identify pathways to organic solar cells with power conversion efficiencies in excess of 20%. A radiation limit for organic solar cells is introduced that elucidates the role of charge‐transfer (CT) state absorption. Provided this CT action is sufficiently weak, organic solar cells can be as efficient as their inorganic counterparts. Next, a model based on Marcus theory of electronic transfer that also considers exciton generation in both the electron donor and electron acceptor is used to show how reduction of the reorganization energies can lead to substantial efficiency gains. Finally, the dielectric constant is introduced as a central parameter for efficient solar cells. By using a drift–diffusion model, it is found that efficiencies of more than 20% are within reach.
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Cited by
Quantifying Losses in Open-Circuit Voltage in Solution-Processable Solar Cells
Yao, J., Kirchartz, T., Vezie, M. S., Faist, M. A., Gong, W., He, Z., Wu, H., Troughton, J., Watson, T., Bryant, D., et al. (2015) · Physical Review Applied · doi:10.1103/physrevapplied.4.014020 · Cited by 657
Optical Gaps of Organic Solar Cells as a Reference for Comparing Voltage Losses
Wang, Y., Qian, D., Cui, Y., Zhang, H., Hou, J., Vandewal, K., Kirchartz, T., & Gao, F. (2018) · Advanced Energy Materials · doi:10.1002/aenm.201801352 · Cited by 448
Gao, K., Xiao, L., Kan, Y., Yang, B., Peng, J., Cao, Y., Liu, F., Russell, T. P., & Peng, X. (2016) · Journal of Materials Chemistry C · doi:10.1039/c5tc04011f · Cited by 42
Metadata
- Authors
- Koster, L. J. A., Shaheen, S. E., & Hummelen, J. C.
- Venue
- Advanced Energy Materials
- Publisher
- Wiley
- Published
- 2012-05-09
- Volume
- 2
- Issue
- 10
- Pages
- 1246-1253
- ISSN
- 1614-6832 (ISSN-L)
- 1614-6840
- OpenAlex
- W2017129882
- Cited by
- 394
- References
- 0
- FWCI
- 28.49
- Type
- journal article
- Language
- en
- Open access
- green
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- Koster, L. J. A., Shaheen, S. E., & Hummelen, J. C. (2012). Pathways to a New Efficiency Regime for Organic Solar Cells. Advanced Energy Materials. https://doi.org/10.1002/aenm.201200103
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