Diphenylterazine is primarily utilized in the field of organic electronics, where it serves as a key component in the development of light-emitting diodes (LEDs) and organic photovoltaic cells. Its ability to efficiently transport electrons makes it valuable in enhancing the performance and stability of these devices. Additionally, it is employed in research focused on creating advanced materials for energy conversion and storage, contributing to the advancement of sustainable technologies. In some cases, it is also explored for its potential use in sensors due to its unique optical properties.