Understanding the mechanisms of methylammonium-induced thermal instability in mixed-FAMA perovskites

• Main Authors: Tay, Darrell Jun Jie, Febriansyah, Benny, Salim, Teddy, Kovalev, Mikhail, Sharma, Aakash, Koh, Teck Ming, Mhaisalkar, Subodh Gautam, Ager, Joel W., Mathews, Nripan
• Other Authors: School of Materials Science and Engineering
• Format: Article
• Language: English
• Published: 2024
• Subjects: Engineering; Formamidinium; Methylammonium
• Online Access: https://hdl.handle.net/10356/181219
• Institution: Nanyang Technological University

Despite a recent shift toward methylammonium (MA)-free lead-halide perovskites for perovskite solar cells, high-efficiency formamidinium lead iodide (FAPbI3) devices still often require methylammonium chloride (MACl) as an additive, which evaporates away during the annealing process. In this article...