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Espinet González, Pilar and Barrigón Montañés, Enrique and Ochoa Gómez, Mario and Barrutia Poncela, Laura and Orlando Carrillo, Vincenzo and Algora del Valle, Carlos and Rey-Stolle Prado, Ignacio (2012). Structural challenges in multijunction solar cells for ultra-high CPV. In: "28th European PV Solar Energy Conference and Exhibition", 24/09/2012 - 28/09/2012, Frankfurt, Germany. pp. 146-149. https://doi.org/10.4229/27thEUPVSEC2012-1BO.12.3.
Title: | Structural challenges in multijunction solar cells for ultra-high CPV |
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Author/s: |
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Item Type: | Presentation at Congress or Conference (Article) |
Event Title: | 28th European PV Solar Energy Conference and Exhibition |
Event Dates: | 24/09/2012 - 28/09/2012 |
Event Location: | Frankfurt, Germany |
Title of Book: | European PV Solar Energy Conference and Exhibition |
Date: | 2012 |
Subjects: | |
Freetext Keywords: | Multijunction solar cell, CPV, solar concentrator, tunnel junction, reliability |
Faculty: | Instituto de Energía Solar (IES) (UPM) |
Department: | Otro |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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The paths towards high efficiency multijunction solar cells operating inside real concentrators at ultra high concentration (>1000 suns) are described. The key addressed factors comprehend: 1) the development of an optimized tunnel junction with a high peak current density (240 A/cm2) to mitigate the non-uniform light profiles created by concentrators, 2) the inclusion of highly conductive semiconductor lateral layers to minimize the effects of the non-uniform light profiles in general, and the chromatic aberration in particular; and 3) an adequate design of reliability studies to test multijunction solar cells for real operation conditions in order to determine the fragile parts in the device and improve them. These challenges are faced by means of experimental and theoretical investigation using a quasi-3D distributed circuital model.
Item ID: | 20614 |
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DC Identifier: | https://oa.upm.es/20614/ |
OAI Identifier: | oai:oa.upm.es:20614 |
DOI: | 10.4229/27thEUPVSEC2012-1BO.12.3 |
Deposited by: | Memoria Investigacion |
Deposited on: | 08 Oct 2013 18:09 |
Last Modified: | 21 Apr 2016 23:26 |