Bridging Scales in Flexible Perovskite Solar Cells: Mechanisms, Interfaces, and Applications

Area of Science:

• Materials Science
• Energy Science
• Mechanical Engineering

Background:

• Flexible perovskite solar cells (f-PSCs) show promise due to their efficiency and mechanical flexibility.
• Current research lacks a deep understanding of the links between material properties, mechanical behavior, and failure in f-PSCs.

Purpose of the Study:

• To provide an energy-based perspective on f-PSCs, linking material properties to mechanical behavior and failure mechanisms.
• To highlight recent progress and future directions for f-PSCs.

Main Methods:

• Review and analysis of energy dissipation mechanisms across micro, meso, and macro scales in f-PSCs.
• Connecting microscopic physicochemical properties to macroscopic mechanical properties.

Main Results:

• Energy dissipation mechanisms are crucial for f-PSC mechanical durability and operational lifespan.
• Understanding these mechanisms bridges the gap between material properties and device performance.

Conclusions:

• f-PSCs have transformative potential for real-world applications.
• Future advancements in material innovation, interface engineering, and scalable manufacturing are needed to enhance performance and commercial viability.
• f-PSCs are poised to revolutionize photovoltaics with improved efficiency, flexibility, and scalability.