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Fuertes Marrón, David and Barrigón Montañés, Enrique and Ochoa Gómez, Mario and Artacho Huertas, Irene (2019). Combined photo- and electroreflectance of multijunction solar cells enabled by subcell electric coupling. "Applied Physics Letters", v. 114 (n. 15); pp. 1-5. ISSN 0003-6951. https://doi.org/10.1063/1.5062602.
Title: | Combined photo- and electroreflectance of multijunction solar cells enabled by subcell electric coupling |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | Applied Physics Letters |
Date: | 16 April 2019 |
ISSN: | 0003-6951 |
Volume: | 114 |
Subjects: | |
Faculty: | E.T.S.I. Telecomunicación (UPM) |
Department: | Electrónica Física |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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Electric coupling between subcells of a monolithically grown multijunction solar cell in short circuit allows their simultaneous and independent characterization by means of photo- and electro-reflectance. The photovoltage generated by selective absorption of the pump beam in a given subcell during photoreflectance measurements results in reverse biasing the complementary subunits at the modulation frequency set on the pump illumination. Such voltage bias modulation then acts as external perturbation on the complementary subcells. The spectral separation of different subcell absorption ranges permits the probe beam to record in a single spectrum the response of the complete device as a combination of photo- and electro-reflectance, thereby providing access for the diagnosis of subcells on an individual basis. This form of modulation spectroscopy is demonstrated on a GaInP/GaAs tandem solar cell.
Type | Code | Acronym | Leader | Title |
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Madrid Regional Government | S2013-MAE-2780 | MADRID-PV | Unspecified | Materiales, dispositivos y tecnología para el desarrollo de la Industria fotovoltaica |
Government of Spain | TEC2015-64189-C3-1-R | INVENTA-PV | Unspecified | Unspecified |
Horizon 2020 | 656208 | NEXTNANOCELLS | LUNDS UNIVERSITET | Next generation nanowire solar cells |
Item ID: | 63887 |
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DC Identifier: | https://oa.upm.es/63887/ |
OAI Identifier: | oai:oa.upm.es:63887 |
DOI: | 10.1063/1.5062602 |
Official URL: | https://aip.scitation.org/doi/full/10.1063/1.5062602 |
Deposited by: | Memoria Investigacion |
Deposited on: | 02 Dec 2020 15:25 |
Last Modified: | 02 Dec 2020 15:25 |