Influence of temperature on luminescent coupling and material quality evaluation in inverted lattice-matched and metamorphic multi-junction solar cells

Ochoa Gómez, Mario and Steiner, Myles A. and García Vara, Iván and Geisz, John F. and Friedman, Daniel J. and Algora del Valle, Carlos (2016). Influence of temperature on luminescent coupling and material quality evaluation in inverted lattice-matched and metamorphic multi-junction solar cells. "Progress in Photovoltaics", v. 24 (n. 3); pp. 357-367. ISSN 1062-7995. https://doi.org/10.1002/pip.2714.

Description

Title: Influence of temperature on luminescent coupling and material quality evaluation in inverted lattice-matched and metamorphic multi-junction solar cells
Author/s:
  • Ochoa Gómez, Mario
  • Steiner, Myles A.
  • García Vara, Iván
  • Geisz, John F.
  • Friedman, Daniel J.
  • Algora del Valle, Carlos
Item Type: Article
Título de Revista/Publicación: Progress in Photovoltaics
Date: March 2016
ISSN: 1062-7995
Volume: 24
Subjects:
Freetext Keywords: III–V multijunction solar cells; temperature; luminescent coupling; material quality
Faculty: Instituto de Energía Solar (IES) (UPM)
Department: Electrónica Física
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Inverted metamorphic multi-junction solar cells have reached efficiencies close to 46%. These solar cells contain very high-quality materials that exhibit strong luminescent coupling between the junctions. The presence of luminescent coupling has a significant impact on the behavior of multi-junction solar cells affecting the optimal design of these devices. Because of the importance of studying devices under real operating conditions, the temperature dependence of the luminescent coupling is analyzed over a range of 25–120°C. Luminescent coupling analysis results show a reduction of the luminescent coupling current as a function of temperature in two tandem components of an inverted metamorphic triple junction solar cell such as GaInP/GaAs and GaAs/GaInAs solar cells. This reduction is quantified and examined by means of luminescent coupling analysis and modeling, electroluminescence measurements and optical modeling at the device and subcell level. The results of the models are verified and discussed.

Funding Projects

TypeCodeAcronymLeaderTitle
FP7299878METACELLSUniversidad Politecnica de MadridAdvanced epitaxy of metamorphic semiconductor structures for multijunction solar cells
Government of SpainTEC2014-54260-C3-1UnspecifiedUnspecifiedUnspecified
Madrid Regional GovernmentS2013/MAE-2780UnspecifiedJose M. RipaldaMadrid-PV-CM. Materiales, dispositivos y tecnología para el desarrollo de la industria fotovoltaica 2014-2018

More information

Item ID: 45642
DC Identifier: http://oa.upm.es/45642/
OAI Identifier: oai:oa.upm.es:45642
DOI: 10.1002/pip.2714
Official URL: http://onlinelibrary.wiley.com/doi/10.1002/pip.2714/abstract;jsessionid=D789C37A4FDC838407A5050CDD7C80B9.f03t02
Deposited by: Memoria Investigacion
Deposited on: 27 Apr 2017 10:18
Last Modified: 05 Jun 2019 07:58
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