Electro-physical 2-D/3-D TCAD analysis of reduce the temperature-related negative effects on silicon heterojunction solar cell for concentrated photovoltaic

摘要

This study attempts to analyze a small-area silicon solar cell, which is designed for operation under medium concentration. By using the TCAD [1] tool and by adopting calibrated physical models, the front contact grid of the cell has been optimized to operate in the range from 100-200 suns. Furthermore, a comparison between different geometric grids has been discussed. The main figures of merit of the solar cell have been calculated in the 1-300 suns concentration range. This study attempts to analyze the temperature and self-heating effect by using 3-D simulation methodology and introduces a method to reduce the temperature-related negative effects on solar cells. Moreover, a new concentrator system for indoor cell characterization has been outlined. The analysis of optical and electrical behavior can prove to be helpful during the design and optimization of parameters and geometry from semiconductor layers, metallization, package, and up to textured surface.