A review on Mn4+ activators in solids for warm white light-emitting diodes

被引：233
作者：
Chen, Daqin [1 ]
Zhou, Yang [1 ]
Zhong, Jiasong [1 ]
机构：
[1] Hangzhou Dianzi Univ, Coll Mat & Environm Engn, Hangzhou 310018, Zhejiang, Peoples R China
来源：
RSC ADVANCES | 2016年 / 6卷 / 89期
基金：
中国国家自然科学基金;
关键词：
DEEP-RED PHOSPHORS; LED APPLICATIONS; PHOTOLUMINESCENCE PROPERTIES; LUMINESCENT PROPERTIES; K2SIF6MN4+ PHOSPHOR; OPTICAL-PROPERTIES; QUANTUM DOTS; FORMATION MECHANISM; HIGHLY EFFICIENT; EMISSION;
D O I：
10.1039/c6ra19584a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Currently, the major commercial white light-emitting diodes consist of a blue-emitting chip and Y3Al5O12:Ce3+ yellow phosphor. However, the shortage of a red emitting component in the constructed device makes it difficult to realize warm white light with a high color-rendering index and low correlated color temperature. In this mini-review article, we provide an overview of recent progresses in developing Mn4+ doped red phosphors for promising applications in warm white light-emitting diodes. Firstly, the spectroscopic properties of Mn4+ in solids, including electronic and vibronic energy-level structures, crystal-field parameters as well as thermal stability, were briefly discussed. And then the related physical and chemical synthesis strategies were introduced in detail. Afterwards, Mn4+ doped phosphors, such as oxides, fluorides as well as glass ceramic composites, and their impact on improving the photoelectric performance of white light-emitting diodes were summarized. Finally, several challenges and perspectives for exploring novel and high-performance Mn4+ doped red phosphors will be presented.
引用
收藏
页码：86285 / 86296
页数：12
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