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Published on: February 3, 2021
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Discovery and Progress of Solid-State Perovskite Solar Cells.
1School of Chemical Engineering, SKKU Institute of Energy Science and Technology (SIEST), Sungkyunkwan University, Suwon 16419, Republic of Korea.
Accounts of Chemical Research
|December 19, 2025
Summary
Solid-state perovskite solar cells (PSCs) have advanced rapidly, achieving high power conversion efficiencies (PCEs) and improved stability. Innovations in materials chemistry and device design pave the way for their commercialization in photovoltaics and optoelectronics.
Area of Science:
- Materials Science and Engineering
- Renewable Energy Technologies
- Solid-State Physics
Background:
- Solid-state perovskite solar cells (PSCs) have emerged as a transformative photovoltaic technology.
- Early PSCs faced challenges with stability and efficiency compared to established silicon cells.
- The field has rapidly progressed, with PSCs now surpassing silicon solar cells in power conversion efficiency (PCE).
Purpose of the Study:
- To review advancements in solid-state perovskite solar cell (PSC) research and development.
- To highlight innovations in materials chemistry, crystal engineering, and device design for improved PSC performance and stability.
- To discuss the scalability and commercialization prospects of PSC technology.
Main Methods:
- Adduct intermediate method for regulating perovskite crystallization and film quality.
- Compositional engineering, particularly FA/Cs-based systems, for stabilizing the photoactive α-phase.
- Additive and interface engineering, including facet control and passivation strategies, to enhance device stability.
- Aqueous synthesis of precursors and D-bar coating for scalable manufacturing.
Main Results:
- Achieved certified power conversion efficiencies (PCEs) exceeding 27.3% for single-junction PSCs and approaching 35% for perovskite/Si tandem devices.
- Demonstrated enhanced stability through facet engineering (e.g., (111) facet resistance to degradation) and interface treatments.
- Developed scalable synthesis and deposition techniques, enabling rapid, uniform, large-area perovskite film fabrication.
Conclusions:
- PSCs have evolved from fragile devices to robust architectures, becoming leading candidates for meeting future energy demands.
- Continued innovation in materials design and manufacturing processes positions PSCs for market entry, initially with tandem devices.
- Halide perovskites hold promise beyond photovoltaics, impacting optoelectronics like LEDs, photodetectors, and memristors.
