A.C. Recombination Velocity as Applied to Determine n+/p/p+Silicon Solar Cell Base Optimum Thickness

Amadou Mar Ndiaye; Sega Gueye; Ousmane Sow; Gora Diop; Amadou Mamour Ba; Mamadou Lamine Ba; Ibrahima Diatta; Lemrabott Habiboullah; Gregoire Sissoko

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A.C. Recombination Velocity as Applied to Determine n+/p/p+Silicon Solar Cell Base Optimum Thickness

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摘要

This work deals with determining the optimum thickness of the base of an n+/p/p+ silicon solar cell under monochromatic illumination in frequency modulation. The continuity equation for the density of minority carriers generated in the base, by a monochromatic wavelength illumination (λ), with boundary conditions that impose recombination velocities (Sf) and (Sb) respectively at the junction and back surface, is resolved. The ac photocurrent is deduced and studied according to the recombination velocity at the junction, to extract the mathematical expressions of recombination velocity (Sb). By the graphic technique of comparing the two expressions obtained, depending on the thickness (H) of the base, for each frequency, the optimum thickness (Hopt) is obtained. It is then modeled according to the frequency, at the long wavelengths of the incident light. Thus, Hopt decreases due to the low relaxation time of minority carriers, when the frequency of modulation of incident light increases.

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来源
《能源与动力工程（英文）》 |2020年第10期|P.543-554|共12页
作者
Amadou Mar Ndiaye; Sega Gueye; Ousmane Sow; Gora Diop; Amadou Mamour Ba; Mamadou Lamine Ba; Ibrahima Diatta; Lemrabott Habiboullah; Gregoire Sissoko;
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作者单位

Laboratory of Semiconductors and Solar Energy Physics Department Faculty of Science and Technology University Cheikh Anta Diop Dakar Senegal;

Laboratory of Semiconductors and Solar Energy Physics Department Faculty of Science and Technology University Cheikh Anta Diop Dakar Senegal;

University Institute of Technology University of Thiès Thiès Senegal;

Laboratory of Semiconductors and Solar Energy Physics Department Faculty of Science and Technology University Cheikh Anta Diop Dakar Senegal;

Laboratory of Semiconductors and Solar Energy Physics Department Faculty of Science and Technology University Cheikh Anta Diop Dakar Senegal;

Laboratory of Semiconductors and Solar Energy Physics Department Faculty of Science and Technology University Cheikh Anta Diop Dakar Senegal;

Laboratory of Semiconductors and Solar Energy Physics Department Faculty of Science and Technology University Cheikh Anta Diop Dakar Senegal;

Ecole Supérieure Polytechnique de Nouakchott Département Génie Electrique Nouackchott Mauritanie;

Laboratory of Semiconductors and Solar Energy Physics Department Faculty of Science and Technology University Cheikh Anta Diop Dakar Senegal;

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原文格式 PDF
正文语种 chi
中图分类数学分析;
关键词
Silicon Solar Cell; Modulation Frequency; Recombination Velocity; Base Thickness; Wavelength;

机译：硅太阳能电池;调制频率;复合速度;基厚;波长;

A.C. Recombination Velocity as Applied to Determine n+/p/p+Silicon Solar Cell Base Optimum Thickness

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