🔆Perovskite Nanocrystal: ✅It is a material that has the same crystal structure as the mineral calcium titanium oxide (CaTiO3).    ✅Generally, perovskite compounds have a chemical formula ABX3, where ‘A’ and ‘B’ represent cations, and X is an anion that bonds to both. ✅A large number of different elements can be combined together to form perovskite structures. ✅Due to its compositional flexibility, scientists can design perovskite crystals to have a wide variety of physical, optical and electrical characteristics from insulating, semiconducting, metallic and superconducting characteristics. 📍Applications of Perovskite Nanocrystal: ✅They have applications in various fields of optoelectronics, including photovoltaic solar cells, photodetectors, light-emitting devices, ✅Perovskite LEDs, which combine the advantages of OLEDs and QLEDs, have long been considered a promising technology for next-generation lighting. #prelims #gs3 #science_and_technology #science_technology Join @PIB_UPSC @upsc_science_and_technology