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Chloride Inclusion and Hole Transport Material Doping to Improve Methyl Ammonium Lead Bromide Perovskite-Based High Open-Circuit Voltage Solar Cells
Open accessAbstract
Low-cost solar cells with high VOC, relatively small (EG - qVOC), and high qVOC/EG ratio, where EG is the absorber band gap, are long sought after, especially for use in tandem cells or other systems with spectral splitting. We report a significant improvement in CH3NH3PbBr3-based cells, using CH3NH3PbBr3-xClx, with EG = 2.3 eV, as the absorber in a mesoporous p-i-n device configuration. By p-doping an organic hole transport material with a deep HOMO level and wide band gap to reduce recombination, the cell's VOC increased to 1.5 V, a 0.2 V increase from our earlier results with the pristine Br analogue with an identical band gap. At the same time, in the most efficient devices, the current density increased from ∼1 to ∼4 mA/cm(2).
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Stranks, S. D., Eperon, G. E., Grancini, G., Menelaou, C., Alcocer, M. J. P., Leijtens, T., Herz, L. M., Petrozza, A., & Snaith, H. J. (2013) · Science · doi:10.1126/science.1243982 · Cited by 10,413
Kim, H.-S., Lee, C.-R., Im, J.-H., Lee, K.-B., Moehl, T., Marchioro, A., Moon, S.-J., Humphry-Baker, R., Yum, J.-H., Moser, J. E., et al. (2012) · Scientific Reports · doi:10.1038/srep00591 · Cited by 8,092
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Luo, J., Im, J.-H., Mayer, M. T., Schreier, M., Nazeeruddin, M. K., Park, N.-G., Tilley, S. D., Fan, H. J., & Grätzel, M. (2014) · Science · doi:10.1126/science.1258307 · Cited by 2,509
Akkerman, Q. A., D’Innocenzo, V., Accornero, S., Scarpellini, A., Petrozza, A., Prato, M., & Manna, L. (2015) · Journal of the American Chemical Society · doi:10.1021/jacs.5b05602 · Cited by 2,197
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Saidaminov, M. I., Adinolfi, V., Comin, R., Abdelhady, A. L., Peng, W., Dursun, I., Yuan, M., Hoogland, S., Sargent, E. H., & Bakr, O. M. (2015) · Nature Communications · doi:10.1038/ncomms9724 · Cited by 734
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Akkerman, Q. A., Gandini, M., Di Stasio, F., Rastogi, P., Palazon, F., Bertoni, G., Ball, J. M., Prato, M., Petrozza, A., & Manna, L. (2016) · Nature Energy · doi:10.1038/nenergy.2016.194 · Cited by 721
Metadata
- Authors
- Edri, E., Kirmayer, S., Kulbak, M., Hodes, G., & Cahen, D.
- Venue
- The Journal of Physical Chemistry Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-01-19
- Volume
- 5
- Issue
- 3
- Pages
- 429-433
- ISSN
- 1948-7185 (ISSN-L)
- OpenAlex
- W2066644325
- Cited by
- 371
- References
- 2
- FWCI
- 39.97
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Edri, E., Kirmayer, S., Kulbak, M., Hodes, G., & Cahen, D. (2014). Chloride Inclusion and Hole Transport Material Doping to Improve Methyl Ammonium Lead Bromide Perovskite-Based High Open-Circuit Voltage Solar Cells. The Journal of Physical Chemistry Letters. https://doi.org/10.1021/jz402706q
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