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10 March 2023 Sonic lift-off of single-junction GaAs devices: a path to $0.5/W through substrate reusability (Conference Presentation)
Pablo Guimera Coll, Andrew Sindermann, Stephen J. Polly, Arno Merkle, Seth M. Hubbard, Mariana I. Bertoni
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Proceedings Volume PC12416, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices XII; PC124160P (2023) https://doi.org/10.1117/12.2655132
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
Terrestrial deployments of III-V solar cells require cell manufacturing costs well below $10/WDC in order to gain widespread adoption for a variety of use-cases. To achieve these targets, the cost of substrates, processing, and epitaxial growth must significantly decrease from today’s levels. In this work, we present Sonic Lift-off (SLO) of operational single junction GaAs cells as an avenue to enable multiple substrate re-use for subsequent growth, with minimal re-polishing, to drive down substrate costs dramatically.
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Pablo Guimera Coll, Andrew Sindermann, Stephen J. Polly, Arno Merkle, Seth M. Hubbard, and Mariana I. Bertoni "Sonic lift-off of single-junction GaAs devices: a path to $0.5/W through substrate reusability (Conference Presentation)", Proc. SPIE PC12416, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices XII, PC124160P (10 March 2023); https://doi.org/10.1117/12.2655132
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KEYWORDS
Gallium arsenide
Scanning laser ophthalmoscopy
Control systems
Crystals
External quantum efficiency
Manufacturing
Metalorganic chemical vapor deposition
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