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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
[ "王兆武(1985-), 男, 河南新乡人, 博士研究生, 2015年于河南工业大学获得硕士学位, 主要从事Mn4+激活红光荧光粉方面的研究。E-mail:smithen0504@gs.zzu.edu.cn" ]
[ "姬海鹏(1989-), 男, 河南南阳人, 博士, 讲师(直聘副教授), 2017年于中国地质大学(北京)获得博士学位, 主要从事固体发光材料方面的研究。E-mail:jihp@zzu.edu.cn" ]
[ "陈德良(1975-), 男, 湖南永州人, 博士, 教授, 博士研究生导师, 2005年于中国科学院上海硅酸盐研究所获得博士学位, 主要从事新型无机材料的低碳制备技术与能源环境应用方面的研究。E-mail:dlchen@zzu.edu.cn" ]
收稿日期:2020-06-24,
录用日期:2020-7-16,
纸质出版日期:2020-10
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王兆武, 姬海鹏, 徐坚, 等. 白光LED用Mn4+激活红光荧光粉中锰离子价态表征研究进展[J]. 发光学报, 2020,41(10):1195-1213.
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, 2020, 41(10): 1195-1213.
王兆武, 姬海鹏, 徐坚, 等. 白光LED用Mn4+激活红光荧光粉中锰离子价态表征研究进展[J]. 发光学报, 2020,41(10):1195-1213. DOI: 10.37188/CJL.20200178.
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, 2020, 41(10): 1195-1213. DOI: 10.37188/CJL.20200178.
Mn
4+
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
4+
/Mn
3+
/Mn
2+
等多种价态,而其他价态的存在会影响Mn
4+
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
4+
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
4+
激活红光荧光粉的研发有所裨益。
The development of Mn
4+
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
4+
in the prepared phosphors. The existence of other valence states
however
can affect the absorption and luminescence of the Mn
4+
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
4+
in phosphors are also summarized
with a view to benefiting the development of new efficient Mn
4+
activated red phosphors.
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