Thermally activated delayed fluorescence organic light-emitting diodes (TADF-OLEDs) rely on high triplet energy interlayers to confine excitons, which results in reduced performance. Here, the authors report high-performance blue TADF-OLEDs with below bandgap electroluminescence.
- Maria Vasilopoulou
- Abd. Rashid bin Mohd Yusoff
- Nicola Gasparini
