Synthesis and luminescence of nitride and oxynitride luminescent materials

Wen-jie WU; Amugulen; Wen-quan LIU; Ke-fu CHAO; Tegus

doi:10.3788/YJYXS20173209.0663

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Synthesis and luminescence of nitride and oxynitride luminescent materials

Material Scienc | 更新时间：2020-07-07

- Synthesis and luminescence of nitride and oxynitride luminescent materials
- Chinese Journal of Liquid Crystals and Displays Vol. 32, Issue 9, Pages: 663-676(2017)
- 作者机构：
  
  1.内蒙古师范大学物理与电子信息学院, 内蒙古呼和浩特 010022
  2.内蒙古自治区功能材料物理与化学重点实验室, 内蒙古呼和浩特 010022
  3.锡林郭勒职业技术学院, 内蒙古锡林浩特 026000
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20173209.0663
  CLC： O482.31
- Received：01 May 2017，
  
  Accepted：02 June 2017，
  
  Published：05 September 2017
- 稿件说明：
移动端阅览
Wen-jie WU, Amugulen, Wen-quan LIU, et al. Synthesis and luminescence of nitride and oxynitride luminescent materials[J]. Chinese journal of liquid crystals and displays, 2017, 32(9): 663-676.
DOI：

Wen-jie WU, Amugulen, Wen-quan LIU, et al. Synthesis and luminescence of nitride and oxynitride luminescent materials[J]. Chinese journal of liquid crystals and displays, 2017, 32(9): 663-676. DOI： 10.3788/YJYXS20173209.0663.

摘要

为了制备高性能的白光LED，发光性能好的荧光粉是必不可少的。氮（氧）化物荧光粉有着发光效率高、可进行光谱剪裁、绿色环保、热稳定性好的优点，可以成为制备白光LED的主要的荧光粉材料。本文综述了近几年来在氮（氧）化物荧光粉的晶体结构特征、制备方法，发光性质及其在高亮度、高显色白光LED封装应用的最新进展，并指出该领域研究过程中存在的问题：（1）含有不同非金属成份的氮（氧）化物新基质很少，（2）关于计算荧光粉晶体场变化的理论研究很少，（3）目前单一基质白光发射荧光粉的发射普遍存在红色发射成分缺乏或不足、显色指数不高等问题。对该领域的发展趋势做出了展望，希望推动新型高效白光LED用发光材料的研究，继而提高白光LED研究应用水平。

Abstract

In recent years

white light-emitting diodes are emerging as an indispensable solid state lighting source for the next generation lighting industry and display systems because of its high efficiency

energy saving

environmental protection and long service life. In order to prepare high performance white light LED

phosphors with good luminescent properties are essential. And nitride and oxynitride luminescent material become important candidate materials for white LED because of their excellent properties

such as high luminous efficiency

excellent spectral cutting

green environmental protection

high thermal stability

and so on. In this review

the crystal structure

the preparation methods and the photoluminescence properties of nitride and oxynitride based phosphors as well as applications of WLEDs were summarized. In addition

challenges of nitride and oxynitride based phosphors are discussed:(1) The nitride and oxynitride luminescent material that contains different nonmetallic components is rare.(2) The theories for calculating crystal field changes of phosphors are rare.(3) The emission of single base white light emitting phosphor generally exists in the absence or deficiency of the red emitting component and the low color rendering index. The work we did aims to promote the development of nitride and oxynitride luminescent material.

关键词

Keywords

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