研究目的
To improve the efficiency of Sb2Se3 thin-film solar cells by minimizing open‐circuit voltage offset (Voc,offset) through the optimization of conduction band offsets and the development of cell configurations with alternative buffer layers.
研究成果
The proposed Sb2Se3 solar cell configuration with alternative buffer layers significantly reduces the open-circuit voltage offset and improves the efficiency to 15.46%. The optimization of conduction band offsets and the development of cell configurations are crucial for enhancing the performance of Sb2Se3 thin-film solar cells.
研究不足
The study is based on numerical simulations and may not fully account for all real-world variables and manufacturing challenges. The proposed configurations require experimental validation to confirm their performance improvements.
1：Experimental Design and Method Selection:
The study involves numerical modeling and simulations using the Solar Cell Capacitance Simulator (SCAPS) program to analyze the performance of Sb2Se3 solar cells with various configurations.
2：Sample Selection and Data Sources:
The simulation parameters are based on experimental data from a reference Sb2Se3 solar cell with a world record efficiency of
3：2%. List of Experimental Equipment and Materials:
The study focuses on the simulation of solar cell configurations with alternative buffer layers, including TiO2, ZnO, Zn
4：93Mg07O, and ZnO4SExperimental Procedures and Operational Workflow:
The study compares the external quantum efficiency (EQE) and current density–voltage (J-V) characteristics of the Sb2Se3 solar cells with different configurations to evaluate their performance.
5：Data Analysis Methods:
The recombination rates and open-circuit voltage offset are analyzed based on the simulation results to determine the optimal cell configuration.
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