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Deep‐Blue Emission: Interfacial Potassium‐Guided Grain Growth for Efficient Deep‐Blue Perovskite Light‐Emitting Diodes (Adv. Funct. Mater. 6/2021)
Author(s) -
Shen Yang,
Shen KongChao,
Li YanQing,
Guo Minglei,
Wang Jingkun,
Ye Yongchun,
Xie FengMing,
Ren Hao,
Gao Xingyu,
Song Fei,
Tang JianXin
Publication year - 2021
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.202170039
Subject(s) - materials science , perovskite (structure) , blue light , diode , light emitting diode , optoelectronics , deep blue , quantum efficiency , grain growth , crystallization , potassium , grain size , chemical engineering , composite material , photochemistry , metallurgy , chemistry , engineering
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).