Optical and Electrical Modeling of Dye Sensitized Solar Cell: Influence of the Overlap Distance Between TiO2 Particles
American Journal of Modern Physics
Volume 6, Issue 1, January 2017, Pages: 1-9
Received: Jan. 3, 2017; Accepted: Jan. 12, 2017; Published: Feb. 3, 2017
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Authors
El Hadji Oumar Gueye, Laboratory of Solid State Physics and Materials Science, Faculty of Sciences et Techniques, Cheikh Anta Diop University, Dakar, Senegal
Papa Douta Tall, Laboratory of Solid State Physics and Materials Science, Faculty of Sciences et Techniques, Cheikh Anta Diop University, Dakar, Senegal
Kharouna Talla, Laboratory of Solid State Physics and Materials Science, Faculty of Sciences et Techniques, Cheikh Anta Diop University, Dakar, Senegal
Abdoulaye Ndiaye Dione, Laboratory of Solid State Physics and Materials Science, Faculty of Sciences et Techniques, Cheikh Anta Diop University, Dakar, Senegal
Allé Dioum, Laboratory of Solid State Physics and Materials Science, Faculty of Sciences et Techniques, Cheikh Anta Diop University, Dakar, Senegal
Mouhamadou Bachir Gaye, Laboratory of Solid State Physics and Materials Science, Faculty of Sciences et Techniques, Cheikh Anta Diop University, Dakar, Senegal
Ndeye Maty Ndiaye, Laboratory of Solid State Physics and Materials Science, Faculty of Sciences et Techniques, Cheikh Anta Diop University, Dakar, Senegal
Balla Diop Ngom, Laboratory of Solid State Physics and Materials Science, Faculty of Sciences et Techniques, Cheikh Anta Diop University, Dakar, Senegal
Aboubaker Chedikh Beye, Laboratory of Solid State Physics and Materials Science, Faculty of Sciences et Techniques, Cheikh Anta Diop University, Dakar, Senegal
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Abstract
Dye sensitized solar cells (DSSC) are used for photovoltaic applications. The paper presents a methodology for optical and electrical modeling of dye-sensitized solar cells (DSSCs). In order to take into account the influence of the overlap distance between two TiO2 particles on the cell an optoelectronic model for DSSC is presented in this paper. From the radiative transfer equation and Mie theory, the optical generation rate of cell is deduced. Coupling the output of the optical model (the dye absorption rate) to an electrical model allows determination of short-circuit current density and maximum power output. Due to our model, the dependence effects of the overlap distance upon the porosity, the optical generation rate, the short circuit current density and the maximum power output are evidenced. Thus, we see that when the overlap distance increases the porosity decreases. In addition, when the overlap distance increases, the absorption rate decreases when the overlap distance is greater than TiO2 radius divide by 5. Moreover, we see that when the overlap distance is lower than the TiO2 radius divided by 5, the short circuit current density and the maximum power output increase. However, when the overlap distance is higher than TiO2 radius divided by 5 they decrease. Thus, according to the model, we see that the optimal overlap distance is equal to TiO2 radius divide by 5. Our results agree with those found in the literature.
Keywords
Dye-Sensitized Solar Cell, Optical Parameters, Electrical Parameters, Overlap Distance, TiO2 Radius
To cite this article
El Hadji Oumar Gueye, Papa Douta Tall, Kharouna Talla, Abdoulaye Ndiaye Dione, Allé Dioum, Mouhamadou Bachir Gaye, Ndeye Maty Ndiaye, Balla Diop Ngom, Aboubaker Chedikh Beye, Optical and Electrical Modeling of Dye Sensitized Solar Cell: Influence of the Overlap Distance Between TiO2 Particles, American Journal of Modern Physics. Vol. 6, No. 1, 2017, pp. 1-9. doi: 10.11648/j.ajmp.20170601.11
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Copyright © 2017 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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