Bifunctional Electron‐Transport Layer Engineering Enables Energy‐Level Alignment and Interfacial Passivation for Efficient PeLEDs. - Zhao, Feng; Lin, Zi‐Heng; Duan, Hong‐Wei; Wang, Ye; Liu, Wei‐Zhi; Wang, Ya‐Kun; Liao, Liang‐Sheng (Advanced Functional Materials, 2026)