This work, based on the junction recombination velocity (Sfu) concept, is used to study the solar\ncell�s electric power at any real operating point. Using Sfu and the back side recombination velocity\n(Sbu) in a 3D modelling study, the continuity equation is resolved. We determined the photocurrent\ndensity, the photovoltage and the solar cell�s electric power which is a calibrated function of\nthe junction recombination velocity (Sfu). Plots of solar cell�s electric power with the junction recombination\nvelocity give the maximum solar cell�s electric power, Pm. Influence of various parameters\nsuch as grain size (g), grain boundaries recombination velocity (Sgb), wavelength ()\nand for different illumination modes on the solar cell�s electric power is studied.
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