钙钛矿(结构)
光致发光
发光二极管
过程(计算)
二极管
光电子学
光发射
透视图(图形)
量子点
纳米技术
材料科学
电介质
工程物理
组分(热力学)
物理
计算机科学
工程类
操作系统
人工智能
热力学
化学工程
作者
Yuanzhi Jiang,Junli Wei,Mingjian Yuan
标识
DOI:10.1021/acs.jpclett.1c00072
摘要
Quasi-two-dimensional (quasi-2D) perovskites, demonstrating excellent radiative efficiency and facile processability, have been considered as next-generation materials for light-emitting applications. Quasi-2D perovskites with a unique energy-funneling process offer an approach to achieve not only high photoluminescence quantum yields at low excitation but also tunable emission induced by dielectric and quantum confinement. In this Perspective, we highlight the mechanism of the energy-funneling process and discuss the salient position of it in quasi-2D perovskite materials for light-emitting applications; we then present the significance of component and molecular engineering strategies for the energy-funneling process to meet the requirements of stable emission and display technologies. Considering present achievements, we also provide promising directions for future advancements of quasi-2D perovskite materials. We hope this Perspective can provide a new viewpoint for researchers to encourage the commercial progress of quasi-2D perovskites for light-emitting applications.
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