Improved Stability of FAPbI(3)-Based Mixed-Cation Perovskite Solar Cells Fabricated Using Facile Cation Injection Technologyopen access
- Authors
- Hong, Soo Beom; Choi, Hyung Wook
- Issue Date
- Jun-2022
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Perovskites; Solvents; Surface morphology; Scanning electron microscopy; Iodine compounds; Absorption; Surface treatment; Photovoltaic cells; thin films; optoelectronic and photonic sensors
- Citation
- IEEE PHOTONICS JOURNAL, v.14, no.3
- Journal Title
- IEEE PHOTONICS JOURNAL
- Volume
- 14
- Number
- 3
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/84410
- DOI
- 10.1109/JPHOT.2022.3168064
- ISSN
- 1943-0655
- Abstract
- Compositional engineering adding organic and inorganic cations is considered one of the effective ways to improve the optoelectronic performance of PSCs. However, investigations of mixed-cations in PSCs are still a nascent area of research. In this study, an anti-solvent suitable for the preparation of mixed- cation perovskite was first adopted. We presented a simple surface engineering technique for manufacturing mixed-cation perovskite by injecting cations through the process of post-treatment of the adopted anti-solvent treated pure FAPbI(3) film with methylammonium iodide (MAI) solution. The prepared mixed-cation perovskite film showed uniform particle size, particle growth, and significantly improved short-circuit current, charge coefficient, device efficiency and device stability.
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