{"title":"Exciton Dynamics in Layered Halide Perovskite Light-Emitting Diodes","authors":"Sung-Doo Baek, Seok Joo Yang, Hanjun Yang, Wenhao Shao, Yu-Ting Yang, Letian Dou","doi":"10.1002/adma.202411998","DOIUrl":null,"url":null,"abstract":"Layered halide perovskites have garnered significant interest due to their exceptional optoelectronic properties and great promises in light-emitting applications. Achieving high-performance perovskite light-emitting diodes (PeLEDs) requires a deep understanding of exciton dynamics in these materials. This review begins with a fundamental overview of the structural and photophysical properties of layered halide perovskites, then delves into the importance of dimensionality control and cascade energy transfer in quasi-2D PeLEDs. In the second half of the review, more complex exciton dynamics, such as multiexciton processes and triplet exciton dynamics, from the perspective of LEDs are explored. Through this comprehensive review, an in-depth understanding of the critical aspects of exciton dynamics in layered halide perovskites and their impacts on future research and technological advancements for layered halide PeLEDs is provided.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"679 1","pages":""},"PeriodicalIF":27.4000,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advanced Materials","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1002/adma.202411998","RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Layered halide perovskites have garnered significant interest due to their exceptional optoelectronic properties and great promises in light-emitting applications. Achieving high-performance perovskite light-emitting diodes (PeLEDs) requires a deep understanding of exciton dynamics in these materials. This review begins with a fundamental overview of the structural and photophysical properties of layered halide perovskites, then delves into the importance of dimensionality control and cascade energy transfer in quasi-2D PeLEDs. In the second half of the review, more complex exciton dynamics, such as multiexciton processes and triplet exciton dynamics, from the perspective of LEDs are explored. Through this comprehensive review, an in-depth understanding of the critical aspects of exciton dynamics in layered halide perovskites and their impacts on future research and technological advancements for layered halide PeLEDs is provided.
层状卤化物过氧化物因其卓越的光电特性和在发光应用领域的巨大前景而备受关注。要实现高性能的过氧化物发光二极管（PeLED），需要深入了解这些材料中的激子动力学。本综述首先概述了层状卤化物包晶的结构和光物理性质，然后深入探讨了准二维包晶发光二极管中尺寸控制和级联能量转移的重要性。在综述的后半部分，从 LED 的角度探讨了更复杂的激子动力学，如多激子过程和三重激子动力学。通过本综述，我们可以深入了解层状卤化物包晶中激子动力学的关键方面及其对层状卤化物珀LED未来研究和技术进步的影响。
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