Guo, L., Cui, W., Pu, Y., Li, L., Sun, Y., Zheng, P., Li, C., Wang, Y. (2025). One‐Step Phosphine‐Oxide Post‐Modification of Multi‐Resonance Emitters for Efficient, Narrowband, Quenching‐Resistant OLEDs. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202518065