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Abstract: We present a simple method to quantify the magnitude of luminescent coupling (LC) between stacked subcells in multijunction photovoltaic devices. The effect of luminescence produced at high-band-gap subcells on underlying low-gap units within the same device can be directly accessed as a measurable open-circuit voltage difference by comparing two photovoltage spectra. Additionally, our study unambiguously identifies LC as the modulation mechanism across multijunction solar cells generating a response from buried subcells in photoreflectance measurements.
Fuente: Physical Review Applied, 2016, 6(1), 014001
Publisher: American Physical Society
Publication date: 01/07/2016
No. of pages: 6
Publication type: Article
DOI: 10.1103/PhysRevApplied.6.014001
ISSN: 2331-7019,2331-7043
Publication Url: https://doi.org/10.1103/PhysRevApplied.6.014001
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Citations
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FUERTES MARRÓN, DAVID
BARRIGÓN MONTAÑÉS, ENRIQUE
MARIO OCHOA GOMEZ
ARTACHO HUERTAS, IRENE
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