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Breakthrough in Quantum Dot Surface Defect Repair: Enabling Ultra-High Efficiency and Long-Life QLEDs
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Breakthrough in Quantum Dot Surface Defect Repair: Enabling Ultra-High Efficiency and Long-Life QLEDs
Steric hindrance of long-chain ligands leads to abundant unpassivated dangling bonds on quantum dots (QDs), which significantly impair the efficiency and operational stability of QD light-emitting diodes (QLEDs), especially in ultra-small pixel devices. Professors Fushan Li and Hailong Hu at Fuzhou University have pioneered a "ligand reconstruction" strategy using zirconium acetylacetonate (Zr(acac)4) to precisely repair the surface defects of QDs.
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