Combined photo- and electroreflectance of multijunction solar cells enabled by subcell electric coupling

Fuertes Marrón, David ORCID: https://orcid.org/0000-0002-9493-9902, Barrigón Montañés, Enrique, Ochoa Gómez, Mario ORCID: https://orcid.org/0000-0002-7108-3638 and Artacho Huertas, Irene ORCID: https://orcid.org/0000-0003-0213-2966 (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.

Description

Title: Combined photo- and electroreflectance of multijunction solar cells enabled by subcell electric coupling
Author/s:
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

Full text

[thumbnail of INVE_MEM_2019_317957.pdf]
Preview
PDF - Requires a PDF viewer, such as GSview, Xpdf or Adobe Acrobat Reader
Download (2MB) | Preview

Abstract

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.

Funding Projects

Type
Code
Acronym
Leader
Title
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

More information

Item ID: 63887
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/10.1063/1.50626...
Deposited by: Memoria Investigacion
Deposited on: 02 Dec 2020 15:25
Last Modified: 02 Dec 2020 15:25
  • Logo InvestigaM (UPM)
  • Logo GEOUP4
  • Logo Open Access
  • Open Access
  • Logo Sherpa/Romeo
    Check whether the anglo-saxon journal in which you have published an article allows you to also publish it under open access.
  • Logo Dulcinea
    Check whether the spanish journal in which you have published an article allows you to also publish it under open access.
  • Logo de Recolecta
  • Logo del Observatorio I+D+i UPM
  • Logo de OpenCourseWare UPM