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In this work, by exploiting two-dimensional (2-D) TCAD numerical simulations, we performed a study of optimum emitter coverage ratio (Ropt) to reach maximum performance on back contact-back junction (BC-BJ) solar cells. Ropt exhibits a strong dependence on pitch, emitter and back surface field (BSF) doping and bulk resistivity, ranging between 0.6 and 0.95. By fixing BSF doping, emitter doping and...
In this work, we performed a study of rear side geometry of a back-contact back-junction solar cell parameters: the emitter, the back surface field (BSF) and their gap distance by exploiting two-dimensional TCAD numerical simulations. All figures of merit have been considered in order to understand the impact of the dominant ones. Higher efficiency are lead by higher emitter width/pitch ratios, lower...
In this work, by exploiting two-dimensional (2-D) TCAD numerical simulations, we performed a study of the impact of the doping levels on the main figures of merit in the different regions of a crystalline silicon Back-Contact Back-Junction (BC-BJ) solar cell: the emitter, the Back Surface Field (BSF) and the Front Surface Field (FSF). The study is supported by a dark loss analysis which can highlight...
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