Solution-Processable Semi-Aromatic Polyimide MR-TADF Materials for High-Efficiency Narrowband OLEDs.
Solution-processed multi-resonance TADF (MR-TADF) polymer OLEDs face a persistent design conflict: conjugated backbones broaden and redshift emission via extended π-delocalization, whereas nonconjugated alternatives preserve narrow spectra but suffer from carrier-transport imbalance, historically capping external quant...