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Active and Passive Electronic Components
Volume 17, Issue 4, Pages 227-232

High Injection Effects on Solar Cell Performances

1Centre d'Etudes Fondamentales, Université de Perpignan, PERPIGNAN Cedex 66860, France
2Laboratoire de Physique, Faculté des Sciences, Université Libanaise, JDEID, B.P. 90656, Lebanon

Received 17 June 1994; Accepted 20 July 1994

Copyright © 1995 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Experiments are performed on solar cells under concentrated sunlight in order to explore fundamental physical processes with high injection conditions. Saturation effects are observed on the cell open circuit voltage and on the extracted values of the recombination current. A large decrease of the initial decay of the transient voltage have been measured. High injection effects are shown to be correlated with the increase of recombination current in the space charge region together with an increase of the emitterbase coupling.