Mechanosynthesis of Halide Perovskites
We use mechanosynthesis as a solvent-free and highly versatile route to prepare lead halide perovskites, double perovskites, metal-free perovskites, and layered 2D perovskites. By applying mechanical energy under controlled conditions, including cryogenic and temperature-controlled milling, we overcome precursor solubility limitations and access compositions that are difficult or impossible to obtain through conventional solution-based methods. This non-equilibrium synthesis approach enables the discovery of new perovskite phases, metastable structures, and composition–property relationships relevant for next-generation optoelectronic materials.
Crystal Structure–Optical Properties Relationships
We investigate how crystal structure governs the optical properties of emerging perovskite materials. By combining pressure- and temperature-dependent spectroscopy with synchrotron-based techniques, we track how structural changes, phase transitions, lattice distortions, and dynamic disorder influence light absorption, emission, and excited-state behavior. This approach allows us to establish direct structure–property relationships and uncover the mechanisms that control optoelectronic functionality in lead halide, double, layered, and metal-free perovskites.
Device Integration and Materials Processing
We develop processing strategies to integrate newly accessed perovskite compositions into functional devices as pellets or thin films. By exploring routes such as pressing, temperature-assisted processing, and thin-film fabrication, we translate materials discovered through non-equilibrium synthesis into device-relevant architectures. This enables us to evaluate their optoelectronic performance, stability, and suitability for applications in photovoltaics, light emission, sensing, and related technologies.