Numerical Simulation of an Inverted Perovskite Solar Cell Using a SiOx Layer as Down-Conversion Energy Material to...

Area of Science:

• Materials Science
• Renewable Energy
• Photovoltaics

Background:

• Inverted perovskite solar cells (PSCs) are attractive due to low hysteresis, facile fabrication, and enhanced stability.
• Optimization of PSCs is crucial for improving their power conversion efficiency and long-term performance.

Purpose of the Study:

• To simulate and optimize an inverted perovskite solar cell structure using SCAPS-1D software.
• To investigate the impact of key parameters on device performance.
• To introduce a silicon-rich oxide (SiOx) layer for enhanced light absorption and stability.

Main Methods:

• Device simulation and parameter optimization using SCAPS-1D software (version 3.3.10).
• Analysis of parameters including perovskite thickness, defect density, resistances, and temperature.
• Introduction of a SiOx layer for down-conversion of UV light to visible light.

Main Results:

• Optimized device parameters increased efficiency from 13.47% to 18.33%.
• The addition of a SiOx layer resulted in a simulated efficiency of 22.46%.
• The SiOx-modified device demonstrated superior current density-voltage output and quantum efficiency.

Conclusions:

• Optimizing device parameters significantly enhances PSC performance.
• Incorporating a SiOx layer as a down-conversion material offers a promising strategy to improve PSC efficiency and stability.
• The SiOx-enhanced PSC architecture is a highly suitable candidate for future solar energy applications.