Quantum Wells in Magnesium-Manganese Bimetallic Antiperovskites for High Luminescence.

IF 8.2 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY ACS Applied Materials & Interfaces Pub Date : 2025-03-19 Epub Date: 2025-03-10 DOI:10.1021/acsami.4c18047

Yangyang Cai, Siyu Yan, Yue-Jian Lin, Tingting Lin, Longzhen Qiu, Xiaoyong Pan, Weizhi Wang

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Abstract

Perovskite has attracted extensive attention in the realm of photovoltaic and light-emitting diodes (LEDs) on account of its outstanding photoelectric properties. Perovskite-type quantum wells (QW) have been developed for high-efficiency perovskite-type LEDs. However, there are few reports on the in situ quantum well structure formed by a bimetallic antiperovskite and its properties. In this work, we report a double/bimetallic antiperovskite composed of magnesium and manganese. It is an in situ homogeneous junction composed of a p-type manganese well layer and an n-type magnesium barrier layer, which promotes the recombination of carriers and increases the luminous efficiency. The in situ quantum wells enable the green antiperovskite LED to have a maximum external quantum efficiency reaching 20.2% and a maximum luminance as high as 19000 cd m^-2. These research results provide the chance to produce high-performance LEDs based on an in situ quantum well structure. Meanwhile, the strategy developed in this work is helpful for the design of other highly luminescent lead-free materials.

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高发光镁锰双金属反钙钛矿中的量子阱。

钙钛矿以其优异的光电性能在光伏和发光二极管领域引起了广泛的关注。钙钛矿型量子阱（QW）已被开发用于高效钙钛矿型led。然而，关于双金属反钙钛矿形成的原位量子阱结构及其性质的报道很少。在这项工作中，我们报道了一种由镁和锰组成的双/双金属反钙钛矿。它是由p型锰阱层和n型镁势垒层组成的原位均匀结，促进载流子的复合，提高了发光效率。原位量子阱使绿色反钙钛矿LED的最大外量子效率达到20.2%，最大亮度高达19000 cd m-2。这些研究结果为生产基于原位量子阱结构的高性能led提供了机会。同时，本文所开发的策略对其他高发光无铅材料的设计也有一定的参考价值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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文献相关原料

公司名称

产品信息

阿拉丁

2,2′,2′′-(1,3,5-benzinetriyl)-tris(1-phenyl-1-H-benzimidazole)

阿拉丁

Lithium fluoride

阿拉丁

Cesium bromide

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.