Buried-interface stabilization for efficient and bright blue perovskite LEDs (opens in new tab)

Metal halide perovskites are highly promising luminescent materials; however, the development of high-performance blue perovskite light-emitting diodes (PeLEDs) remains constrained by buried interface degradation. Here, we construct a three-dimensional cross-linked network of pentaerythritol tetraacrylate on the hole transport layer (HTL) to achieve efficient and bright blue PeLEDs. This dense cross-linked network serves as a physical barrier, shielding the HTL from polar solvent erosion and ...