Improving Optical Performance of Concentrator Cells by Means of a Deposited Nanopattern Layer

García-Linares Fontes, Pablo and Domínguez Domínguez, César and Dellea, Olivier and Kaempfe, Thomas and Jourlin, Yves and Besson, Pierre and Weick, Clément and Baudrit, Mathieu (2015). Improving Optical Performance of Concentrator Cells by Means of a Deposited Nanopattern Layer. In: "11th International Conference on Concentrator Photovoltaic Systems", 13/04/2015–15/04/ 2015, Aix-les-Bains, France. ISBN 978-0-7354-1326-9. pp.. https://doi.org/http://dx.doi.org/10.1063/1.4931515.

Description

Title: Improving Optical Performance of Concentrator Cells by Means of a Deposited Nanopattern Layer
Author/s:
  • García-Linares Fontes, Pablo
  • Domínguez Domínguez, César
  • Dellea, Olivier
  • Kaempfe, Thomas
  • Jourlin, Yves
  • Besson, Pierre
  • Weick, Clément
  • Baudrit, Mathieu
Item Type: Presentation at Congress or Conference (Article)
Event Title: 11th International Conference on Concentrator Photovoltaic Systems
Event Dates: 13/04/2015–15/04/ 2015
Event Location: Aix-les-Bains, France
Title of Book: AIP Conference Proceedings
Date: 28 September 2015
ISBN: 978-0-7354-1326-9
ISSN: 0094-243X
Volume: 1679
Subjects:
Freetext Keywords: Illumination; Refractive index; Antireflective coatings; Light diffraction; Multijunction solar cells
Faculty: E.T.S.I. Diseño Industrial (UPM)
Department: Ingeniería Eléctrica, Electrónica Automática y Física Aplicada
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Multijunction solar cells (MJSC) use anti-reflective coatings (ARC) to minimize Fresnel reflection losses for a family of light incidence angles. These coatings adapt the refractive index of the cell to that of the surrounding medium. Patterns with sizes in the range of the light wavelength can be used to further reduce reflections through diffraction. Transparent nanopatterns with a gradual profile, called moth-eye nanostructures, can adapt the refractive index of the optical interfaces (often with n∼1.5) used to encapsulate concentrator solar cells to that of the air (n air∼1). Here we show the effect of a nanometric moth-eye ARC with a round motif deposited on commercial MJSC that achieves short-circuit current (I SC) gains greater than 2% at normal incidence and even higher in the case of tilted illumination. In this work, MJSC with different moth-eye ARC are characterized under quantum efficiency (QE) as well as under concentrated illumination I-V in order to assess their potential. Simulations based on coupled wave analysis (RCWA) are used to fit the experimental results with successful results.

More information

Item ID: 40649
DC Identifier: http://oa.upm.es/40649/
OAI Identifier: oai:oa.upm.es:40649
DOI: http://dx.doi.org/10.1063/1.4931515
Official URL: http://scitation.aip.org/content/aip/proceeding/aipcp/10.1063/1.4931515
Deposited by: Memoria Investigacion
Deposited on: 01 Jun 2016 07:44
Last Modified: 22 Sep 2020 06:03
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