Determining the decomposition voltage of Cu(In1-xGax)Se2

Conference paper (2022)

Authors

N.J. Bakker DIANA FEA, Institut des Matériaux Jean Rouxel, Photovoltaic Materials and Devices - EEMCS
J.G. Bosman Analysis - EEMCS , DIANA FEA
Nicolas Barreau Institut des Matériaux Jean Rouxel
A.W. Weeber TNO Energy Transition, Photovoltaic Materials and Devices - EEMCS
M.J. Theelen DIANA FEA, Photovoltaic Materials and Devices - EEMCS
Research Group
Photovoltaic Materials and Devices (EEMCS) (TU Delft)
Copyright: © 2022 N.J. Bakker, Joaquin Coll Matas, J.G. Bosman, Nicolas Barreau, A.W. Weeber, M.J. Theelen
DOI: https://doi.org/10.1109/PVSC48317.2022.9938940
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Published Date

2022

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

Photovoltaic Materials and Devices

Abstract

Partial shading of CIGS modules can lead to permanent damage of the module in the shaded area. This is caused by harmful reverse bias voltages in the shaded area which lead to reverse bias induced defects, also known as wormlike defects. A lot is already known about the origin and propagation of wormlike defects. However, the fundamental question; why is CIGS so sensitive to reverse bias damage? has not yet been answered. In this study we show that CIGS semiconductor material in the presence of an electric field will spontaneously decompose.

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