Abstract
Applying a tandem structure to silicon-based sub-cells is the most promising strategy for enhancing efficiency and overcoming the Shockley-Queisser limit, which is an intrinsic limitation of silicon-based solar cells. This study will begin with the various categories of tandem solar cells and then analyze the requirements for optimizing the overall conversion efficiency. Therefore, the characteristics of BaZrS3, a chalcogenide perovskite with high elemental abundance, exceptional photovoltaic properties as well as outstanding stability, are thoroughly evaluated and compared with other previously utilized materials for the top sub-cell. Finally, the most feasible approach for thin film growth which is physical vapor deposition is reviewed based on the available literature from bulk synthesis of BaZrS3. This evaluation may serve as a critical guideline for the future commercialization of BaZrS3.
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