Advances in Valence State Analysis of Manganese in Mn<sup>4+</sup>-activated Red Phosphors for White LEDs

Zhao-wu WANG; Hai-peng JI; Jian XU; Sha-sha YI; Xing-hui HOU; De-liang CHEN; Rong-jun XIE

doi:10.37188/CJL.20200178

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Advances in Valence State Analysis of Manganese in Mn⁴⁺-activated Red Phosphors for White LEDs

Invited Review | 更新时间：2020-10-12

- Advances in Valence State Analysis of Manganese in Mn⁴⁺-activated Red Phosphors for White LEDs
- Chinese Journal of Luminescence Vol. 41, Issue 10, Pages: 1195-1213(2020)
- 作者机构：
  
  1.郑州大学材料科学与工程学院, 河南郑州 450001
  2.河南理工大学物理与电子信息学院, 河南焦作 454000
  3.东莞理工学院材料科学与工程学院, 广东东莞 523808
  4.厦门大学材料学院, 福建厦门 361000
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China;China Postdoctoral Science Foundation;P
- DOI：10.37188/CJL.20200178
  CLC： TP394.1;TP691.9
- Published：2020-10，
  
  Received：24 June 2020，
  
  Accepted：16 July 2020
扫描看全文
Zhao-wu WANG, Hai-peng JI, Jian XU, et al. Advances in Valence State Analysis of Manganese in Mn⁴⁺-activated Red Phosphors for White LEDs. [J]. Chinese Journal of Luminescence 41(10):1195-1213(2020)
DOI：

Zhao-wu WANG, Hai-peng JI, Jian XU, et al. Advances in Valence State Analysis of Manganese in Mn⁴⁺-activated Red Phosphors for White LEDs. [J]. Chinese Journal of Luminescence 41(10):1195-1213(2020) DOI： 10.37188/CJL.20200178.

摘要

激活红光荧光粉是白光发光二极管（LED）用荧光粉的研究热点之一。过渡金属锰元素具有未充满的d轨道，可形成Mn

/Mn

等多种价态，而其他价态的存在会影响Mn

的吸收/辐射跃迁。目前，多数研究论文对所制备荧光粉中锰离子价态未进行表征，或采用的表征手段难以定性或定量确定多种共存价态锰离子的相对含量。本文对Mn

激活红光荧光粉中锰离子价态表征手段进行综述，包括漫反射光谱、荧光光谱、X射线光电子能谱、电子顺磁共振谱、阴极射线发光谱、X射线精细吸收谱、变温磁化率谱等。对其测试结果在定性或定量表征锰离子价态方面的可靠性以及测试便易性进行对比评述。最后总结了影响锰离子价态的因素和调控其价态的实验方法，以期对新型高效Mn

激活红光荧光粉的研发有所裨益。

Abstract

The development of Mn

activated red phosphor for white LEDs is one of the current research hotspots. Manganese

as a transition metal element

has partially filled d orbitals and can form various valence states other than Mn

in the prepared phosphors. The existence of other valence states

however

can affect the absorption and luminescence of the Mn

ions. In many related papers

the valence state of manganese ions of the as-prepared phosphors is not analyzed

or the adopted techniques are difficult to characterize various valence states of manganese ions qualitatively or quantitatively. This article reviews the valence-state characterization techniques of manganese ions

including the diffuse reflectance spectrum

the photoluminescence spectrum

the X-ray photoelectron spectroscopy

the electron paramagnetic resonance spectrum

the cathodoluminescence spectrum

the X-ray absorption fine structure spectrum

and the temperature-dependent magnetic susceptibility. The reliability of these techniques to qualitatively or quantitatively characterize the manganese valence is comparatively discussed. The influencing factors of the valence state of manganese ions and the regulating method of Mn

in phosphors are also summarized

with a view to benefiting the development of new efficient Mn

activated red phosphors.

关键词

白光LED荧光粉锰离子价态表征

Keywords

white LEDphosphormanganese ionvalence state analysis

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Advances in Valence State Analysis of Manganese in Mn4+-activated Red Phosphors for White LEDs

DOI：10.37188/CJL.20200178

摘要

Abstract

关键词

Keywords

references

Advances in Valence State Analysis of Manganese in Mn⁴⁺-activated Red Phosphors for White LEDs