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Abstract:
Perovskite-type metal halides are gaining intense research interest owing to their promising applications in optoelectronic devices such as solar cells, phototransistors, lasers, light-emitting diodes, and recently in photocatalysis. Herein, state-of-the-art selected synthetic methodologies, which include solvent-induced precipitation, hot injection, spin coating, thermal and chemical vapor deposition, ligand mediation, and templating, are discussed to prepare a range of nanostructured halide perovskites with tunable structural properties. By using the appropriate synthetic protocol, the physicochemical properties, textural parameters, size, shape, and morphologies of the halide perovskite can be tuned from colloidal quantum dots to photonic crystals. Fundamental aspects of structure–property correlations of the halide perovskites through diverse analytical tools, like optical absorption, photoluminescence, x-ray diffraction, and electron microscopy, are evaluated. Finally, a perspective on the main challenges and bottlenecks of halide perovskites from the structural and synthetic points of view is presented.
