Dichloro(1,10-phenanthroline)copper(II) is widely used in catalysis, particularly in organic synthesis. It serves as an effective catalyst for various reactions, including oxidation processes and coupling reactions, due to its ability to facilitate electron transfer. In material science, it is utilized in the development of coordination polymers and metal-organic frameworks (MOFs), which have applications in gas storage, separation, and sensing. Additionally, this compound is employed in electrochemical studies as a redox-active species, helping to understand electron transfer mechanisms. Its luminescent properties also make it suitable for use in photophysical research and the design of light-emitting materials.