Moreover, OLEDs' energy efficiency contributes to reduced greenhouse gas emissions by consuming less electricity. However, the use of certain heavy metals like iridium in some OLED compounds can pose ...

The emitting layer of OLED is composed of an emitting material ... While organic metal compounds containing rare metals such as iridium are commonly used for phosphorescent materials, it has ...

Until now, achieving high-efficiency phosphorescence without using rare metals such as iridium and platinum has ... advancements in the fields of OLEDs, lighting, and medical diagnostics, among ...