A solar cell with a reverse saturation current of 5 nA is illuminated such that the short-circuit current is Isc = 200 mA. a. Plot I-V and obtain the voltage at maximum delivered power. b. Assume that this cell has a series resistance of 1 Ohm, so that the cell voltage is reduced by the IR drop. Replot the I-V curve for this case and compare with the plot in a.

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A crystalline silicon photovoltaic cell has an open circuit voltage of 0.5V and a short circuit current of 1.8 A at Standard Test Conditions. What is the maximum output power at Standard Test Conditions and at a cell temperature of 50oC? What is the percentage decrease in power per oC? Assume a Fill Factor of 0.70 at 25oC. (As a rule of thumb for crystalline silicon solar cells, the increase in short circuit current is about 0.058% per oC while the decrease on open circuit voltage is 0.30% per oC and decrease in the fill factor is by 0.15% per oC).