Multiple‐Quantum‐Well Perovskites for High‐Performance Light‐Emitting Diodes

Light‐emitting diodes (LEDs) based on solution‐processed metal halide perovskites have shown great application potential in energy‐efficient lighting and displays. Multiple‐quantum‐well (MQW) perovskites simultaneously possess high photoluminescence quantum efficiency and good film morphology and st...

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Published inAdvanced materials (Weinheim) Vol. 32; no. 15; pp. e1904163 - n/a
Main Authors Cheng, Lu, Jiang, Tao, Cao, Yu, Yi, Chang, Wang, Nana, Huang, Wei, Wang, Jianpu
Format Journal Article
LanguageEnglish
Published Germany Wiley Subscription Services, Inc 01.04.2020
Subjects
Light emitting diodes
Materials science
Metal halides
Morphology
multiple quantum wells
Perovskites
Photoluminescence
Quantum efficiency
perovskites
multiple quantum wells
light-emitting diodes
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Summary:Light‐emitting diodes (LEDs) based on solution‐processed metal halide perovskites have shown great application potential in energy‐efficient lighting and displays. Multiple‐quantum‐well (MQW) perovskites simultaneously possess high photoluminescence quantum efficiency and good film morphology and stability, making it attractive for high‐performance perovskite LEDs. Here, merits of MQW perovskites and the progress in MQW perovskite LEDs are reviewed. Challenges and future directions of perovskite LEDs are also discussed. Solution‐processed multiple quantum well (MQW) perovskites are assemblies of different layered metal‐halide perovskites that are considered promising toward achieving efficient and stable perovskite light‐emitting diodes (LEDs) due to good morphology, high photoluminescence quantum efficiency, and good stability. The recent progress in MQW perovskite LEDs is discussed.
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ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201904163