Efficient and Stable CsPbI3 Inorganic Perovskite Photovoltaics Enabled by Crystal Secondary Growth

@article{Wang2021EfficientAS,
  title={Efficient and Stable CsPbI3 Inorganic Perovskite Photovoltaics Enabled by Crystal Secondary Growth},
  author={Xingtao Wang and Yong Wang and Yuetian Chen and Xiaomin Liu and Yixin Zhao},
  journal={Advanced Materials},
  year={2021},
  volume={33}
}
Defect‐triggered phase degradation is generally considered as the main issue that causes phase instability and limited device performance for CsPbI3 inorganic perovskites. Here, a defect compensation in CsPbI3 perovskite through crystal secondary growth of inorganic perovskites is demonstrated, and highly efficient inorganic photovoltaics are realized. This secondary growth is achieved by a solid‐state reaction between a bromine salt and defective CsPbI3 perovskite. Upon solid‐state reaction… 
13 Citations
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