
Foreign Excursion Tour 2022 – Technologisch Gezelschap (TG)
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SOPHY will investigate the role of the deformable nature of the crystal lattice in metal halide perovskite semiconductors in the determination of the material “defectiveness”. In principle, the electronic properties of metal halides perovskites are defined by the (Pb)(X3-xYx) network. However, conformational disorder and lattice deformations can perturb the electronic landscape within the Pb-X. The presence of various types of chemical interactions in such complex ionic solids gives them a characteristic “soft” fluctuating structure, prone to a wide set of defects which may span from lattice distortions to the presence of mobile ions. Therefore, the defectivity of these materials is strongly dependent on the synthetic design as well as the processing conditions adopted for the thin film fabrication.
The project will address:
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