Comparison of accelerated ageing and metastabilities between CIGS based solar cells and thin-film modules

Vidal Lorbada, Ricardo and Lavrenko, Tetiana and Muecke, Dennis and Walter, Thomas (2019). Comparison of accelerated ageing and metastabilities between CIGS based solar cells and thin-film modules. In: "36th European Photovoltaic Solar Energy Conference and Exhibition", 9 a 13 de septiembre de 2019, Marseille, France. ISBN 3-936338-60-4. pp. 645-648. https://doi.org/10.4229/EUPVSEC20192019-3BV.1.3.

Description

Title: Comparison of accelerated ageing and metastabilities between CIGS based solar cells and thin-film modules
Author/s:
  • Vidal Lorbada, Ricardo
  • Lavrenko, Tetiana
  • Muecke, Dennis
  • Walter, Thomas
Item Type: Presentation at Congress or Conference (Article)
Event Title: 36th European Photovoltaic Solar Energy Conference and Exhibition
Event Dates: 9 a 13 de septiembre de 2019
Event Location: Marseille, France
Title of Book: Proc. 36th European Photovoltaic Solar Energy Conference and Exhibition
Date: October 2019
ISBN: 3-936338-60-4
Subjects:
Freetext Keywords: Cu(InGa)Se2, Reliability, Module
Faculty: Instituto de Energía Solar (IES) (UPM)
Department: Electrónica Física, Ingeniería Eléctrica y Física Aplicada
UPM's Research Group: Silicio y Nuevos Conceptos para Células Solares
Creative Commons Licenses: None

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Abstract

The reliability of different CIGS devices (lab scale cells and mini-modules with P1/P2/P3 interconnects) has been investigated after accelerated aging treatments. These treatments consisted in maintaining the sample devices inside a climate chamber at high temperatures and in some cases applying on them a voltage bias reverse or forward. The degradation of the performance was studied with optical and electrical characterization techniques (I-V, C-V and Photoluminescence imaging), and the characteristics of both types of devices were compared before and after the accelerated ageing treatment was applied. Our findings suggest that the degradation of both device types is similar. In both cases the open circuit voltage, the fill factor and the efficiency were reduced, the only exception being the devices that were treated with a forward bias (both mini-modules and lab scale cells), in which these parameters were found to be stable during the treatment. Additionally, one difference was found during the treatment under a reverse voltage bias, namely that the saturation current was reduced in the case of mini-modules but not in the case of lab scale cells.

More information

Item ID: 57402
DC Identifier: http://oa.upm.es/57402/
OAI Identifier: oai:oa.upm.es:57402
DOI: 10.4229/EUPVSEC20192019-3BV.1.3
Official URL: https://www.eupvsec-proceedings.com/proceedings?fulltext=vidal+lorbada&paper=48250
Deposited by: D. Ricardo Vidal Lorbada
Deposited on: 26 Nov 2019 08:05
Last Modified: 26 Nov 2019 08:05
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