(2,2'-bipyridyl) bis [2- (4-tert-butylphenyl) pyridine] iridium (III) hexafluorophosphate is primarily used in the field of organic light-emitting diodes (OLEDs). It serves as a phosphorescent emitter due to its ability to efficiently convert electrical energy into light. This compound is particularly valued for its high quantum yield and stability, making it suitable for use in display technologies and lighting applications. Its emission properties can be tuned to produce specific colors, which is essential for creating full-color displays. Additionally, it is utilized in research and development of advanced materials for optoelectronic devices, contributing to the improvement of energy-efficient lighting solutions.