科研之友
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摘要
In article number 2006736, Yan‐Qing Li, Jian‐Xin Tang, and co‐workers demonstrate a facile and reliable crystallization strategy for interfacial potassium‐guided perovskite grain growth, leading to efficient deep‐blue light‐emitting diodes with an external quantum efficiency of 4.14% and stable color coordinates of (0.125, 0.076).
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