Manganese phosphide is primarily used in the semiconductor industry due to its unique electrical properties. It serves as a crucial material in the production of optoelectronic devices, such as light-emitting diodes (LEDs) and photovoltaic cells, where it enhances efficiency and performance. Additionally, it is employed in the synthesis of advanced ceramics and as a catalyst in certain chemical reactions, particularly in hydrogenation processes. Its role in energy storage systems, such as batteries, is also being explored, as it contributes to improving energy density and stability. Furthermore, manganese phosphide is utilized in research and development for creating novel materials with tailored electronic and magnetic properties.