Perovskite FAPbBr3 powder is widely used in the development of high-performance optoelectronic devices, particularly in solar cells. Its excellent light absorption properties and efficient charge carrier transport make it a promising material for enhancing the efficiency of perovskite-based photovoltaic systems. Additionally, it is utilized in light-emitting diodes (LEDs) due to its ability to emit bright and tunable light, making it suitable for next-generation display technologies. The material is also explored in photodetectors, where its sensitivity to light and fast response times are advantageous for imaging and sensing applications. Research is ongoing to leverage its unique properties in other advanced technologies, including lasers and quantum dots.