Monolithic Perovskite/Perovskite/Silicon Triple-Junction Solar Cells: Fundamentals, Progress, and Prospects

Area of Science:

• Materials Science
• Renewable Energy
• Photovoltaics

Background:

• Crystalline silicon (c-Si) solar cells approach theoretical power conversion efficiency (PCE) limits.
• Perovskite-on-silicon multi-junction solar cells offer enhanced performance.
• Recent perovskite/silicon double-junction solar cells (PSDJSCs) achieved 34.85% PCE.

Purpose of the Study:

• To provide a comprehensive analysis of perovskite/perovskite/silicon triple-junction solar cells (PSTJSCs).
• To cover fundamental principles and technological milestones in PSTJSC development.
• To discuss challenges and future directions for PSTJSCs.

Main Methods:

• Review of recent advancements in PSTJSC technology.
• Analysis of fundamental principles governing PSTJSC operation.
• Discussion of strategies to overcome current challenges.

Main Results:

• PSTJSCs demonstrate potential for high PCE due to an optimal balance of performance and complexity.
• PSDJSCs have surpassed other double-junction technologies, driving interest in triple-junction designs.
• Key challenges include current mismatch, voltage deficits, phase segregation, and stability.

Conclusions:

• PSTJSCs represent a promising avenue for next-generation photovoltaics beyond current c-Si limitations.
• Addressing stability and efficiency challenges is crucial for practical implementation.
• Further research into PSTJSCs aims to achieve long-term stability and high PCE.