Numerical Simulation of the Performance of Sb₂Se₃ Solar Cell via Optimizing the Optoelectronic Properties Based...

Area of Science:

• Materials Science
• Renewable Energy
• Semiconductor Physics

Background:

• Antimony trisulfide (Sb₂Se₃) is a non-toxic and accessible material with potential for solar cell applications.
• Developing efficient and cost-effective solar energy solutions is crucial for sustainable energy.

Purpose of the Study:

• To numerically analyze the performance of Sb₂Se₃ solar cells.
• To investigate the impact of key material properties on device efficiency.
• To identify optimal parameters for Sb₂Se₃ solar cell design.

Main Methods:

• Numerical simulations using Solar Cell Capacitance Simulator (SCAPS).
• Analysis of Sb₂Se₃ layer parameters: thickness, defect density, band gap, energy level, and carrier concentration.
• Device performance evaluation based on simulated parameters.

Main Results:

• Optimal Sb₂Se₃ absorber thickness: 800 nm.
• Optimal absorber defect density: < 10¹⁵ cm^-3.
• Optimal band gap: 1.2 eV.
• Optimal energy level: 0.1 eV above the valence band.
• Optimal carrier concentration: 10¹⁴ cm^-3.
• Highest simulated efficiency: 30%.

Conclusions:

• Optimized Sb₂Se₃ solar cells can achieve high efficiencies.
• The study provides valuable insights for the design and engineering of Sb₂Se₃-based photovoltaic devices.
• Further research and experimental validation are warranted to realize these simulated efficiencies.