Effect of the Pyramidal Texture of the Front Outer Layer on the Macroscopic Electric Parameters of a N-Zno/N-Cds/P-Cu(In, Ga) Se2 Solar Cell
International Journal of Energy and Power Engineering
Volume 5, Issue 5, October 2016, Pages: 171-176
Received: Sep. 20, 2016; Accepted: Sep. 28, 2016; Published: Nov. 3, 2016
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Authors
Alain Kassine Ehemba, Laboratory of Semiconductors and Solar Energy, Department of Physic, Faculty of Science and Technology, University Cheikh Anta Diop. Dakar
Mouhamadou Mamour Soce, Laboratory of Semiconductors and Solar Energy, Department of Physic, Faculty of Science and Technology, University Cheikh Anta Diop. Dakar
Demba Diallo, Laboratory of Semiconductors and Solar Energy, Department of Physic, Faculty of Science and Technology, University Cheikh Anta Diop. Dakar
Salif Cisse, Laboratory of Semiconductors and Solar Energy, Department of Physic, Faculty of Science and Technology, University Cheikh Anta Diop. Dakar
Moustapha Dieng, Laboratory of Semiconductors and Solar Energy, Department of Physic, Faculty of Science and Technology, University Cheikh Anta Diop. Dakar
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Abstract
In this work a theoretical study on the behavior of the macroscopic physical parameters of the solar cell according to the texture of the front outer surface is conducted. The morphology of the texture of surface can vary according to the angle formed by the edges of the pyramidal structure and according to the depth. The studied macroscopic electric parameters are the short circuit current density Jsc, the open circuit voltage Voc, the maximum power Pm of the cell and the external quantum efficiency EQE. The study of the influence of the angle of texture indicates an angle optimal of 70° which give a short-circuit current density of 0.3361mA.cm-2, an open circuit voltage of 0.8289V and a maximum power of 0.2375mW. The quantum efficiency in ultraviolet wavelength range is reduced by the increase in the angle of texture, while it increases the EQE in the near infrared range. The maximum absorption area extends on both sides of the visible wavelength range. The study of the variation of the electric parameters according to the combined effects of the angle and the depth of texture gives optimal performances for a texture angle of 70° and a texture depth of 21.875nm.
Keywords
Antireflective Layer, Pyramidal Texture, Electrical Parameters, Cu(In, Ga) Se2
To cite this article
Alain Kassine Ehemba, Mouhamadou Mamour Soce, Demba Diallo, Salif Cisse, Moustapha Dieng, Effect of the Pyramidal Texture of the Front Outer Layer on the Macroscopic Electric Parameters of a N-Zno/N-Cds/P-Cu(In, Ga) Se2 Solar Cell, International Journal of Energy and Power Engineering. Vol. 5, No. 5, 2016, pp. 171-176. doi: 10.11648/j.ijepe.20160505.12
Copyright
Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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