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40.8% efficient inverted triple-junction solar cell with two independently metamorphic junctions
Abstract
A photovoltaic conversion efficiency of 40.8% at 326 suns concentration is demonstrated in a monolithically grown, triple-junction III–V solar cell structure in which each active junction is composed of an alloy with a different lattice constant chosen to maximize the theoretical efficiency. The semiconductor structure was grown by organometallic vapor phase epitaxy in an inverted configuration with a 1.83 eV Ga.51In.49P top junction lattice-matched to the GaAs substrate, a metamorphic 1.34 eV In.04Ga.96As middle junction, and a metamorphic 0.89 eV In.37Ga.63As bottom junction. The two metamorphic junctions contained approximately 1×105 cm−2 and 2–3×106 cm−2 threading dislocations, respectively.
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Cited by
III–V multijunction solar cells for concentrating photovoltaics
Cotal, H., Fetzer, C., Boisvert, J., Kinsey, G., King, R., Hebert, P., Yoon, H., & Karam, N. (2009) · Energy Environ. Sci. · doi:10.1039/b809257e · Cited by 559
Thermophotovoltaic efficiency of 40%
LaPotin, A., Schulte, K. L., Steiner, M. A., Buznitsky, K., Kelsall, C. C., Friedman, D. J., Tervo, E. J., France, R. M., Young, M. R., Rohskopf, A., et al. (2022) · Nature · doi:10.1038/s41586-022-04473-y · Cited by 336
Self-citationDegradation of up-grown metamorphic InGaP/InGaAs/Ge solar cells by low-energy proton irradiation
Hongliang, G., Linfeng, S., Qiang, S., Qiming, Z., Yiyong, W., Jingdong, X., Bin, G., & Yanqing, Z. (2019) · Solar Energy Materials and Solar Cells · doi:10.1016/j.solmat.2018.11.033 · Cited by 27
Metadata
- Authors
- Geisz, J. F., Friedman, D. J., Ward, J. S., Duda, A., Olavarria, W. J., Moriarty, T. E., Kiehl, J. T., Romero, M. J., Norman, A. G., & Jones, K. M.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2008-09-22
- Volume
- 93
- Issue
- 12
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W1978314898
- Cited by
- 480
- References
- 0
- FWCI
- 46.02
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Geisz, J. F., Friedman, D. J., Ward, J. S., Duda, A., Olavarria, W. J., Moriarty, T. E., Kiehl, J. T., Romero, M. J., Norman, A. G., & Jones, K. M. (2008). 40.8% efficient inverted triple-junction solar cell with two independently metamorphic junctions. Applied Physics Letters. https://doi.org/10.1063/1.2988497
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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