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Active and Passive Electronic Components
Volume 21, Issue 4, Pages 265-278

Insufficiencies of the Single Exponential Model and Efficiency of the Double Exponential Model in the Optimization of Solar Cells Efficiency

1Université de Tlemcen, Institut de Physique, Laboratoire de Physique Energétique et Matériaux, B.P.: 119, Tlemcen 13000, Algeria
2Centre Lorrain d'Optique et d'Electronique des Solides, Supelec, 2 rue Edouard Belin, Metz Cedex 3 57078, France

Received 7 July 1998; Accepted 4 September 1998

Copyright © 1998 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.


Single and double exponential models are confronted to determine the most adapted model for optimization of solar cells efficiency. It is shown that the single exponential model (SEM) presents some insufficiencies for efficiency optimization. The interest of the double exponential model to optimize the efficiency and to achieve an adequate simulation of the operation of solar cells is demonstrated by means of I-V characteristics plotting.