Perovskite refers to both a specific mineral (calcium titanium oxide, CaTiO₃) and a broad class of materials that share its crystal structure. The perovskite crystal structure is typically written as ABX₃, where A and B are cations of different sizes and X is an anion, often oxygen or a halide.
Perovskite materials are valued for their remarkable electronic, optical, and magnetic properties. They are used in a wide range of applications, including:
Solar cells (perovskite photovoltaics)
Light-emitting diodes (LEDs)
Photodetectors
Ferroelectric and piezoelectric devices
Catalysts and superconductors
Their outstanding light absorption, charge transport, and tunable bandgap have made halide perovskites especially promising for next-generation solar technology.
