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High-performance quasi-2D perovskite light-emitting diodes: from materials to devices by Zhang, Li (author);Sun, Changjiu (author);He, Tingwei (author);Jiang, Yuanzhi (author);Wei, Junli (author);Huang, Yanmin (author);Yuan, Mingjian (author) is a Engineering article available to read on EtoBox.

What is High-performance quasi-2D perovskite light-emitting diodes: from materials to devices about?

## Abstract Quasi-two-dimensional (quasi-2D) perovskites have attracted extraordinary attention due to their superior semiconducting properties and have emerged as one of the most promising materials for next-generation light-emitting diodes (LEDs). The outstanding optical properties originate from their structural characteristics. In particular, the inherent quantum-well structure endows them with a large exciton binding energy due to the strong dielectric- and quantum-confinement effects; the corresponding energy transfer among different n-value species thus results in high photoluminescence quantum yields (PLQYs), particularly at low excitation intensities. The review herein presents an overview of the inherent properties of quasi-2D perovskite materials, the corresponding energy transfer and spectral tunability methodologies for thin films, as well as their application in high-performance LEDs. We then summarize the challenges and potential research directions towards developing high-performance and stable quasi-2D PeLEDs. The review thus provides a systematic and timely summary for the community to deepen the understanding of quasi-2D perovskite materials and resulting LED dev

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Author
Zhang, Li (author);Sun, Changjiu (author);He, Tingwei (author);Jiang, Yuanzhi (author);Wei, Junli (author);Huang, Yanmin (author);Yuan, Mingjian (author)
Publisher
Springer Science and Business Media LLC
Published
2021
Language
EN
Field
Engineering (Physical Sciences)

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