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Espinet González, Pilar and Rey-Stolle Prado, Ignacio and Ochoa Gómez, Mario and Algora del Valle, Carlos and García Vara, Iván and Barrigón Montañés, Enrique (2015). Analysis of perimeter recombination in the subcells of GaInP/GaAs/Ge triple-junction solar cells. "Progress in Photovoltaics", v. 23 (n. 7); pp. 874-882. ISSN 1062-7995. https://doi.org/10.1002/pip.2501.
Title: | Analysis of perimeter recombination in the subcells of GaInP/GaAs/Ge triple-junction solar cells |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | Progress in Photovoltaics |
Date: | 2015 |
ISSN: | 1062-7995 |
Volume: | 23 |
Subjects: | |
Freetext Keywords: | Perimeter; recombination; CPV; concentration; multijunction; solar cells; photovoltaics |
Faculty: | E.T.S.I. Telecomunicación (UPM) |
Department: | Electrónica Física |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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This paper studies the recombination at the perimeter in the subcells that constitute a GaInP/GaAs/Ge lattice-matched triple-junction solar cell. For that, diodes of different sizes and consequently different perimeter/area ratios have been manufactured in single-junction solar cells resembling the subcells in a triple-junction solar cell. It has been found that neither in GaInP nor in Ge solar cells the recombination at the perimeter is significant in devices as small as 500 μm × 500μm(2.5 ⋅ 10 − 3 cm2) in GaInP and 250μm × 250μm (6.25 ⋅ 10 − 4cm2) in Ge. However, in GaAs, the recombination at the perimeter is not negligible at low voltages even in devices as large as 1cm2, and it is the main limiting recombination factor in the open circuit voltage even at high concentrations in solar cells of 250 μm × 250μm (6.25 ⋅ 10 − 4 cm2) or smaller. Therefore, the recombination at the perimeter in GaAs should be taken into account when optimizing triple-junction solar cells.
Type | Code | Acronym | Leader | Title |
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FP7 | 283798 | NGCPV | UNIVERSIDAD POLITECNICA DE MADRID | A new generation of concentrator photovoltaic cells, modules and systems |
Madrid Regional Government | S2009/ENE1477 | NUMANCIA-2 | Unspecified | Unspecified |
Government of Spain | IPT-2011-1441-920000 | Unspecified | Unspecified | Unspecified |
Government of Spain | TEC2012-3728 | Unspecified | Unspecified | Unspecified |
Government of Spain | TEC2011-28693-C02-01 | Unspecified | Unspecified | Unspecified |
Item ID: | 40786 |
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DC Identifier: | https://oa.upm.es/40786/ |
OAI Identifier: | oai:oa.upm.es:40786 |
DOI: | 10.1002/pip.2501 |
Official URL: | http://onlinelibrary.wiley.com/doi/10.1002/pip.2501/abstract |
Deposited by: | Memoria Investigacion |
Deposited on: | 06 Jun 2016 18:33 |
Last Modified: | 30 Nov 2022 09:00 |