Assessment of Explicit Models Based on the Lambert W-Function for Modeling and Simulation of Different Dye-Sensitized Solar Cells (DSSCs)

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In this paper, the characteristic points were used as input data in five different explicit models based on Lambert W-function for the extraction of model parameters of three DSSCs. Moreover, these model parameters for given values of voltages were used to obtain the corresponding currents for the simulation of the DSSCs. The results show that the sign of the model parameter does not matter for methods that do not have series resistance and shunt resistance. However, when Rsh was negative the five-parameter single-diode model failed to yield good curve fit except when Rsh was neglected and four-parameter model used. Moreover, all the model parameters for DSSCs with bitter gourd dye were regular and yielded good curve fit for all the models. On the hand, DSSCs with Rsh values negative were handled with four-parameter model to obtain good curve fit. Thus, the sign of model parameter matters in simulation of DSSC using single-diode model.