Publication date: 28th August 2024
The introduction of chiral organic spacers in low-dimensional metal-halide perovskites triggers chiroptical activity, making these materials of great interest for spintronic applications. To enable such applications, it is necessary to develop a deep understanding of the structure formation of chiral two-dimensional (2D) perovskites and its impact on their optical properties. In the first part of the talk, I will discuss how changing the processing conditions impacts on the phase purity, microstructure, and chiroptical properties of chiral 2D perovskites. In the second part, I will focus on the optical properties of these materials, focusing in particular on the origin of the common observation of asymmetric shape of their photoluminescence. Finally, I will present the impact of chirality on exciton transport in these materials.
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