Phosphorus-oxygen modified anthracene-based emitters for high-efficiency deep-blue OLEDs approaching the BT.2020 blue standard - Ruicheng Wang; Yihong Zhu; Dehua Hu; Jie Hu; Si-wei Chen; Jieying Lin; Longjiang Xing; Yanping Huo; Shaomin Ji (Chemical Engineering Journal, 2025)