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Toward high efficiency ultra-thin CIGSe based solar cells using light management techniques

  • 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
  • , Michael Powalla
  • Daniel Lincot
  • Institut Photovoltaïque d'Ile-de-France
  • Institut Lavoisier de Versailles
  • Centre de Nanosciences et de Nanotechnologies
  • Université Paris-Sud
  • Université Paris-Sud 11
  • Wuerth Elektronik Research GmbH
  • Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This study addresses the potential of different approaches to improve the generated current density in ultrathin Cu(In,Ga)Se 2 (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.

Original languageEnglish
Title of host publicationPhysics, Simulation, and Photonic Engineering of Photovoltaic Devices
DOIs
Publication statusPublished - 26 Apr 2012
EventPhysics, Simulation, and Photonic Engineering of Photovoltaic Devices - San Francisco, CA, United States
Duration: 23 Jan 201226 Jan 2012

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume8256
ISSN (Print)0277-786X

Conference

ConferencePhysics, Simulation, and Photonic Engineering of Photovoltaic Devices
Country/TerritoryUnited States
CitySan Francisco, CA
Period23/01/1226/01/12

Keywords

  • Light management
  • Plasmonic
  • Solar cells
  • Ultrathin CIGSe

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