Layering an organic material on top of 2D materials achieves stable, fast phosphorescent light emission without using expensive and hazardous heavy metals Study: Microsecond triplet emission from ...

But they come with drawbacks—significantly higher cost, a shorter device lifetime and increased health and environmental hazards. In OLEDs, light emission through the more energy-efficient ...

But they come with drawbacks—significantly higher cost, a shorter device lifetime and increased health and environmental hazards. In OLEDs, light emission through the more energy-efficient ...