Hole migration enables efficient and ultra-bright green quantum dot LEDs
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We demonstrate that the weak hole confinement, induced inter-dot hole diffusion in QDs with large CdZnSe cores and thin ZnS shells, allows more efficient exciton formation. We achieve a record external quantum efficiency of 30.7%, a maximum luminance exceeding 1.9 million cd m-2 in green QD-LEDs with a T95 operational lifetime of 21,900 hours at 1000 cd m-².
创建时间：
2025-11-20
