Abstract
An efficiency of 40.7% was measured and independently confirmed for a metamorphic three-junction GaInP∕GaInAs∕Ge cell under the standard spectrum for terrestrial concentrator solar cells at 240 suns (24.0W∕cm2, AM1.5D, low aerosol optical depth, 25°C). This is the initial demonstration of a solar cell with over 40% efficiency, and is the highest solar conversion efficiency yet achieved for any type of photovoltaic device. Lattice-matched concentrator cells have now reached 40.1% efficiency. Electron-hole recombination mechanisms are analyzed in metamorphic GaxIn1−xAs and GaxIn1−xP materials, and fundamental power losses are quantified to identify paths to still higher efficiencies.
References
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Dates
Type | When |
---|---|
Created | 18 years, 3 months ago (May 4, 2007, 7:08 p.m.) |
Deposited | 2 months, 3 weeks ago (May 29, 2025, 2:05 p.m.) |
Indexed | 5 days, 1 hour ago (Aug. 20, 2025, 8:49 a.m.) |
Issued | 18 years, 3 months ago (April 30, 2007) |
Published | 18 years, 3 months ago (April 30, 2007) |
Published Online | 18 years, 3 months ago (May 4, 2007) |
Published Print | 18 years, 3 months ago (April 30, 2007) |
@article{King_2007, title={40% efficient metamorphic GaInP‚ąēGaInAs‚ąēGe multijunction solar cells}, volume={90}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2734507}, DOI={10.1063/1.2734507}, number={18}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={King, R. R. and Law, D. C. and Edmondson, K. M. and Fetzer, C. M. and Kinsey, G. S. and Yoon, H. and Sherif, R. A. and Karam, N. H.}, year={2007}, month=apr }