About this Abstract |
Meeting |
2022 TMS Annual Meeting & Exhibition
|
Symposium
|
Phase Stability, Phase Transformations, and Reactive Phase Formation in Electronic Materials XXI
|
Presentation Title |
Solution-processed Perovskite Photoabsorbers with Mixed Cations for Improved Stability in Solar Cells |
Author(s) |
Mritunjaya Parashar, Mohin Sharma, Anupama Kaul, Kishan Jayanand |
On-Site Speaker (Planned) |
Kishan Jayanand |
Abstract Scope |
Perovskite solar cells (PSCs) have been the center of attention for third-generation photovoltaics ever since power conversion efficiencies (PCEs) of ~ 9.7% were reported in 2012. Since then, intense activity in perovskite research has resulted in a certified PCE of 25.5% in 2020 for single-junction PSCs. This feat can be partly ascribed to the development of various thin film deposition techniques to grow perovskite films, particularly using solution processing techniques. Following the pioneering work resulting from methylammonium lead triiodide (MAPbI3) PSCs, formamidinium lead triiodide (FAPbI3) has been investigated by various research groups as another promising candidate for the photoabsorber layer, largely due to its improved environmental stability compared to MAPbI3. In the present study, we have explored the phase transitions of solution-processed MAPbI3 and FAPbI3 perovskite films at various temperatures and provided a comparison on the stability of both these perovskite photoabsorbers in n-i-p or p-i-n device solar cell architecture. |
Proceedings Inclusion? |
Planned: |
Keywords |
Electronic Materials, Energy Conversion and Storage, Phase Transformations |