Suppressing Interfacial Nonradiative Recombination with Acetate Interlayer for High-Performance Pure Blue Perovskite LEDs

Key Points

• To investigate how acetate interlayers can reduce nonradiative recombination in blue perovskite LEDs.
• Analyzed crystallization kinetics during spin-coating of quasi-2D blue perovskite precursors.
• Examined film morphology and grain growth.
• Evaluated the impact of interfacial defects on LED performance.
• Found that acetate interlayer significantly decreased interfacial defects.
• Observed improved film morphology and uniform grain growth.
• Demonstrated enhanced performance of blue perovskite LEDs.