Dilithium phthalocyanine is primarily utilized in advanced materials research, particularly in the development of organic semiconductors. Its unique electronic properties make it suitable for applications in organic photovoltaic cells, where it enhances light absorption and charge transport efficiency. Additionally, it is employed in the fabrication of field-effect transistors (FETs) due to its stability and conductivity. In the field of optoelectronics, this compound is explored for use in light-emitting diodes (LEDs) and sensors, owing to its ability to interact with light and other electromagnetic radiation. Its application extends to catalysis as well, where it serves as a catalyst in certain chemical reactions, leveraging its redox-active properties. Furthermore, it is investigated for medical applications, such as photodynamic therapy for cancer treatment, due to its photosensitizing capabilities.