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Proceedings Paper

Toward high efficiency ultra-thin CIGSe based solar cells using light management techniques
Author(s): Negar Naghavi; Zacharie Jehl; Frederique Donsanti; Jean-François Guillemoles; Isabelle Gérard; Muriel Bouttemy; Arnaud Etcheberry; Jean-Luc Pelouard; Stéphane Collin; Clément Colin; Nicolas Péré-Laperne; Nir Dahan; Jean-Jacques Greffet; Boris Morel; Zakaria Djebbour; Arouna Darga; Denis Mencaraglia; Georg Voorwinden; Bernhard Dimmler; Micheal Powalla; Daniel Lincot
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Paper Abstract

This study addresses the potential of different approaches to improve the generated current density in ultrathin Cu(In,Ga)Se2 (CIGSe) based solar cells down to 0.1 μm. Advanced photon management, involving both absorption enhancement and reflection reduction in the absorber, is studied. In this contribution, the three main approaches used are: - The reduction of the CIGSe thickness by chemical etching which combines thickness reduction and smoothing effect on the absorber. - Optical management by front contact engineering and by the replacement of the back contact by the "lift-off" of CIGSe layer from the Mo layer and the deposition of a new reflective back contact. - Application of plasmonic structures to CIGSe solar cells enabling light confinement at the subwavelength scale.

Paper Details

Date Published: 23 February 2012
PDF: 8 pages
Proc. SPIE 8256, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices, 825617 (23 February 2012); doi: 10.1117/12.909419
Show Author Affiliations
Negar Naghavi, Institut de Recherche et Développement sur l'Energie Photovoltaïque, CNRS, Chimie-Paris Tech (France)
Zacharie Jehl, Institut de Recherche et Développement sur l'Energie Photovoltaïque, CNRS, Chimie-Paris Tech (France)
Frederique Donsanti, Institut de Recherche et Développement sur l'Energie Photovoltaïque, CNRS, Chimie-Paris Tech (France)
Jean-François Guillemoles, Institut de Recherche et Développement sur l'Energie Photovoltaïque, CNRS, Chimie-Paris Tech (France)
Isabelle Gérard, Institut Lavoisier de Versailles, CNRS, Univ. de Versailles Saint-Quentin-en Yvelines (France)
Muriel Bouttemy, Institut Lavoisier de Versailles, CNRS, Univ. de Versailles Saint-Quentin-en Yvelines (France)
Arnaud Etcheberry, Institut Lavoisier de Versailles, CNRS, Univ. de Versailles Saint-Quentin-en Yvelines (France)
Jean-Luc Pelouard, Lab. de Photonique et de Nanostructures, CNRS (France)
Stéphane Collin, Lab. de Photonique et de Nanostructures, CNRS (France)
Clément Colin, Lab. de Photonique et de Nanostructures, CNRS (France)
Nicolas Péré-Laperne, Lab. de Photonique et de Nanostructures, CNRS (France)
Nir Dahan, Institut d'Optique, CNRS, Campus Polytechnique (France)
Jean-Jacques Greffet, Institut d'Optique, CNRS, Campus Polytechnique (France)
Boris Morel, Lab. de Génie Électrique de Paris, CNRS, Univ. Pierre et Marie Curie Univ. Paris-Sud 11 (France)
Zakaria Djebbour, Lab. de Génie Électrique de Paris, CNRS, Univ. Pierre et Marie Curie Univ. Paris-Sud 11 (France)
Arouna Darga, Lab. de Génie Électrique de Paris, CNRS, Univ. Pierre et Marie Curie Univ. Paris-Sud 11 (United States)
Denis Mencaraglia, Lab. de Génie Électrique de Paris, CNRS, Univ. Pierre et Marie Curie Univ. Paris-Sud 11 (France)
Georg Voorwinden, Wuerth Elektronik Research GmbH (Germany)
Bernhard Dimmler, Wuerth Elektronik Research GmbH (Germany)
Micheal Powalla, Zentrum für Sonnenenergie- und Wasserstoff-Forschung (Germany)
Daniel Lincot, Institut de Recherche et Développement sur l'Energie Photovoltaïque, CNRS, Chimie-Paris Tech (France)


Published in SPIE Proceedings Vol. 8256:
Physics, Simulation, and Photonic Engineering of Photovoltaic Devices
Alexandre Freundlich; Jean-Francois F. Guillemoles, Editor(s)

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