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Published on: March 2, 2021
Inverted perovskite solar cells: from fundamentals to scalable commercialization
Biyun Ren1, He Dong2, Junjie Sun1
1State Key Laboratory of Flexible Electronics (LoFE) & Institute of Advanced Materials (IAM), School of Flexible Electronics (Future Technologies), Nanjing Tech University (Nanjing Tech), 5 Xinmofan Road, Nanjing 210009, China. iamlfchao@njtech.edu.cn.
Inverted perovskite solar cells (PSCs) show promise for commercial use due to stability and fabrication advantages. Research focuses on overcoming efficiency limitations through material and interface improvements for better performance.
Area of Science:
- Materials Science
- Renewable Energy
- Photovoltaics
Background:
- Inverted (p-i-n structure) perovskite solar cells (PSCs) offer enhanced operational stability and solution-processability.
- Their compatibility with tandem architectures and recent performance gains drive commercial interest.
- Despite progress, efficiency limitations in inverted PSCs necessitate further investigation.
Purpose of the Study:
- To summarize recent advancements in inverted PSC technology.
- To analyze energy loss mechanisms impacting device performance.
- To identify strategies for enhancing efficiency, stability, and manufacturability.
Main Methods:
- Review of recent literature on inverted PSCs.
- Analysis of energy loss origins and their effects.
- Evaluation of strategies including charge transport layers, interface engineering, and perovskite film modification.
- Assessment of scalable fabrication techniques and long-term stability data.
Main Results:
- Significant progress in performance and large-scale fabrication of inverted PSCs.
- Identification of key areas for efficiency enhancement: charge transport layers, interface engineering, and perovskite film quality.
- Critical evaluation of scalability and durability challenges.
Conclusions:
- Inverted PSCs are a promising technology for commercialization.
- Addressing efficiency limitations through advanced materials and interfaces is crucial.
- Future research should focus on high efficiency, durability, and manufacturability for widespread adoption.
