The Role of Dimethylammonium Iodide in CsPbI 3 Perovskite Fabrication: Additive or Dopant?
Shanghai Jiao Tong University · Shanghai Institute of Pollution Control and Ecological Security
Abstract
Abstract The controllable growth of CsPbI 3 perovskite thin films with desired crystal phase and morphology is crucial for the development of high efficiency inorganic perovskite solar cells (PSCs). The role of dimethylammonium iodide (DMAI) used in CsPbI 3 perovskite fabrication was carefully investigated. We demonstrated that the DMAI is an effective volatile additive to manipulate the crystallization process of CsPbI 3 inorganic perovskite films with different crystal phases and morphologies. The thermogravimetric analysis results indicated that the sublimation of DMAI is sensitive to moisture, and a proper atmosphere is helpful for the DMAI removal. The time‐of‐flight secondary ion mass spectrometry and…
Citation impact
- FWCI
- 39.35
- Percentile
- 100%
- References
- 42
Authors
7Topics & keywords
- Perovskite (structure)
- Iodide
- Materials science
- Crystallization
- Fabrication
- Chemical engineering
- Crystal growth
- Dopant
- Affordable and clean energy