White-Light Emission from Halide Perovskites Based on a Single Emissive Layer

IF 8.3 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Materials & Interfaces Pub Date : 2025-05-22 DOI:10.1021/acsami.5c00780

Jiayu Li, Jing Wang, Ziming Chen, Zeyuan Hu, Xiaotian Hu, Melusi Khumalo, Muhammad Bilal Khan Niazi, Dongxiang Luo, Yanchun Liu, Nianqing Fu, Qifan Xue

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Abstract

In contemporary society, lighting has become indispensable in both daily life and industrial activities. Researchers are actively developing new materials and technologies to meet global goals for clean, sustainable energy. Among them, halide perovskite materials play a vital role in light-emitting diodes (LEDs) due to their high carrier mobility, low exciton binding energy, and tunable emission wavelength. White perovskite light-emitting diodes (WPeLEDs) based on a single emission layer (SEL) feature simpler production processes and clearer luminescence mechanisms compared with other layered and series devices, attracting extensive research interest and showing great potential in practical applications. This Account systematically provides an overview of the recent advances in SEL-WPeLEDs. The concepts of perovskite materials and the luminescent principles of PeLEDs are first elaborated, and the typical approaches for perovskite film deposition are then summarized. Subsequently, the implementation strategies toward high-performance SEL-WPeLEDs of electric driving, including Perovskite with Self-trapped excitons, perovskite-organic molecule coupling, and metal ion doping, are carefully discussed. Finally, challenges and perspectives for the further development of SEL-PeLEDs are proposed.

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基于单发射层的卤化物钙钛矿白光发射

在当代社会，照明已经成为日常生活和工业活动中不可或缺的一部分。研究人员正在积极开发新材料和新技术，以实现清洁、可持续能源的全球目标。其中卤化物钙钛矿材料具有载流子迁移率高、激子结合能低、发射波长可调等特点，在发光二极管（led）中发挥着至关重要的作用。基于单发射层（SEL）的白色钙钛矿发光二极管（WPeLEDs）与其他层状和串联器件相比，具有制作工艺简单、发光机制清晰的特点，引起了广泛的研究兴趣，具有巨大的实际应用潜力。本报告系统地概述了sel - wpleds的最新进展。首先阐述了钙钛矿材料的概念和发光原理，然后总结了钙钛矿薄膜沉积的典型方法。随后，详细讨论了高性能电驱动sel - wpled的实现策略，包括自捕获激子的钙钛矿、钙钛矿-有机分子偶联和金属离子掺杂。最后，对sel - ped的进一步发展提出了挑战和展望。

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来源期刊

ACS Applied Materials & Interfaces 工程技术-材料科学：综合

CiteScore

16.00

自引率

6.30%

发文量

4978

审稿时长

1.8 months

期刊介绍： ACS Applied Materials & Interfaces is a leading interdisciplinary journal that brings together chemists, engineers, physicists, and biologists to explore the development and utilization of newly-discovered materials and interfacial processes for specific applications. Our journal has experienced remarkable growth since its establishment in 2009, both in terms of the number of articles published and the impact of the research showcased. We are proud to foster a truly global community, with the majority of published articles originating from outside the United States, reflecting the rapid growth of applied research worldwide.