Spiro‐Configured Self‐Assembling Molecule Modulates Phase Distribution at the Buried Interface for Efficient Sky‐Blue Perovskite LEDs
Quasi‑two‑dimensional (quasi‑2D) perovskites are promising candidates for efficient blue perovskite light‑emitting diodes (PeLEDs), but their complex low‑dimensional phase distributions often result in non‑radiative recombination and emission broadening. Herein, we design 3‐(4‐(10H‐spiro[acridine‐9,9′‐fluoren]‐10‐yl)ph...