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Study of Efficiencies CdTe/CdS Photovoltaic Solar Cell According to Electrical Properties by Scaps Simulation
Laboratoire de Physique de la Matière Condensée (LPMC), Université de Picardie Jules Verne, Amiens, France
Département de Physique, UFR SATIC, Université Alioune Diop de Bambey, Bambey, Senegal
Laboratoire de Chimie Physique Organique et d’Analyses Environnementales (LCPOAE), Université Cheikh Anta Diop, Dakar, Senegal
Laboratoire de Physique de la Matière Condensée (LPMC), Université de Picardie Jules Verne, Amiens, France
- 1 Laboratoire de Physique de la Matière Condensée (LPMC), Université de Picardie Jules Verne, Amiens, France
- 2 Département de Physique, UFR SATIC, Université Alioune Diop de Bambey, Bambey, Senegal
- 3 Laboratoire de Chimie Physique Organique et d’Analyses Environnementales (LCPOAE), Université Cheikh Anta Diop, Dakar, Senegal
- 4 Laboratoire de Physique de la Matière Condensée (LPMC), Université de Picardie Jules Verne, Amiens, France
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Abstract
The photovoltaic performance (efficiency η ) of an ITO/CdS/CdTe structure cell is studied in this article according to its electrical properties. The study is carried out by simulation with SCAPS (Solar Cell Capacitance Simulator) whose mathematical model is based on solving the equations of Poisson and continuity of electrons and holes. An electrical conversion efficiency of 23.58% is obtained by optimizing the mobility of the electrons (100 cm 2 /Vs), that of the holes (25 cm 2 /Vs), the density of electrons (10 15 cm - 3 ), the density of the effective states in the conduction band (7.9 × 10 17 cm - 3 ) and the electronic affinity (3.85 eV) of the CdTe absorbent layer.
KeywordsSolar CellsPhotovoltaicThin FilmsCdTeElectron MobilityCharge Carrier DensitySimulationSCAPS
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