Used in dye-sensitized solar cells (DSSCs) as a photosensitizer due to its strong light absorption and efficient electron injection properties. The compound's structure allows for good charge separation and stability under prolonged light exposure, making it suitable for photovoltaic applications. It is also employed in photochemical research involving electron transfer processes and artificial photosynthesis systems. Its functional groups enable attachment to semiconductor surfaces like TiO₂, enhancing interfacial electron transport. Additionally, it serves as a model complex in studies of metal-ligand interactions and excited-state dynamics in coordination chemistry.