Spirofluorene‐Based Multi‐Resonance Thermally Activated Delayed Fluorescence Materials for Quenching‐Resistant Organic Light‐Emitting Diodes
Multiple‐resonance thermally activated delayed fluorescence (MR‐TADF) materials offer advantages for organic light‐emitting diodes (OLEDs) but face notable aggregation‐caused quenching (ACQ) at high doping concentrations, subsequently causing spectral broadening and efficiency declining. In this study, two emitters,...