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Strain Effects on Flexible Perovskite Solar Cells
Hongbo Liang1, Wenhan Yang1, Junmin Xia2
1MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, School of Physics, National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology, Xi'an Jiaotong University, Xi'an, 710000, P. R. China.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|October 12, 2023
Summary
Flexible perovskite solar cells (f-PSCs) are promising for wearables. This review details how strain impacts f-PSC performance and stability, offering strategies for improvement.
Area of Science:
- Materials Science
- Energy Science
- Nanoscience
Background:
- Flexible perovskite solar cells (f-PSCs) are gaining attention for portable electronics.
- Their power conversion efficiency has reached 24% through advanced preparation techniques.
Purpose of the Study:
- To systematically review the impact of strain on f-PSCs.
- To summarize strain sources, evaluation methods, and engineering strategies.
Main Methods:
- Literature review of strain effects in f-PSCs.
- Analysis of strain-induced changes in perovskite films.
- Evaluation of engineering strategies to mitigate strain.
Main Results:
- Strain can alter perovskite phase, induce decomposition, and reduce mechanical stability.
- Various methods exist to evaluate strain in f-PSCs.
- Engineering strategies can modulate strain for improved device performance.
Conclusions:
- Understanding and managing strain is crucial for optimizing f-PSC performance and commercialization.
- Further research is needed to address remaining challenges in strain engineering for flexible devices.
