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Advances in Theoretical Research on Eu2+ Doped Narrow-band Emitting Fluorescent Materials
增强出版- Chinese Journal of Luminescence Vol. 43, Issue 9, Pages: 1405-1412(2022)
- 作者机构：
燕山大学 环境与化学工程学院， 河北 秦皇岛 066000
- 作者简介：
- 基金信息：Natural Science Foundation of Hebei Province(E2021203126);Cultivation Project for Basic Research and Innovation of Yanshan University(2021LGQN033)
DOI：10.37188/CJL.20220189
CLC： O482.31Published：05 September 2022，
Received：08 May 2022，
Revised：23 May 2022，
扫 描 看 全 文
朱坤领,游欢欢,高发明等.窄带型Eu2+掺杂荧光粉理论研究进展[J].发光学报,2022,43(09):1405-1412.
ZHU Kun-ling,YOU Huan-huan,GAO Fa-ming,et al.Advances in Theoretical Research on Eu2+ Doped Narrow-band Emitting Fluorescent Materials[J].Chinese Journal of Luminescence,2022,43(09):1405-1412.
朱坤领,游欢欢,高发明等.窄带型Eu2+掺杂荧光粉理论研究进展[J].发光学报,2022,43(09):1405-1412. DOI： 10.37188/CJL.20220189.
ZHU Kun-ling,YOU Huan-huan,GAO Fa-ming,et al.Advances in Theoretical Research on Eu2+ Doped Narrow-band Emitting Fluorescent Materials[J].Chinese Journal of Luminescence,2022,43(09):1405-1412. DOI： 10.37188/CJL.20220189.
摘要
近年来，用于制备白光发光二极管（LED）的窄带发射荧光粉在降低能源消耗、提高白光质量以及保持色度稳定等方面具有重要作用，因而被研究者们广泛关注。Eu
2+
离子独特的4f⁃5d跃迁以及与局部环境的依赖性，为制备窄带发射荧光粉提供了可能。但是，目前窄带发射的理论尚不完备，大多Eu
2+
掺杂窄带发射荧光粉的研发均基于大量的重复性试验。本文以位形坐标模型为基础，从理论计算方面对窄带型Eu
2+
掺杂荧光粉的研究进行综述，重点讨论局部配位环境、晶体结构、斯托克斯位移以及耦合声子频率等因素对Eu
2+
离子发射半峰宽（FWHM）的影响，期望为新型Eu
2+
掺杂窄带发射荧光粉提供理论依据。
Abstract
In recent years， narrow-band emitting phosphors used to fabricate white LEDs play an important role in reducing energy consumption， improving light quality， and maintaining chromaticity stability， and have been widely paid attention to by researchers. The unique character of the 4f-5d transition of Eu
2+
ions with host dependence provides the possibility of the design of Eu
2+
-activated narrow-band emitting phosphors. However， most of the works relies on trial and error， and theoretical understanding is lacking of the emission width of Eu
2+
ions in solids. With this background， here we review the theoretical efforts on this topic in the past ten years. Based on configuration coordinate diagram， the effect of structure rigidity， local environment and phonon frequency on full-width at half-maximum（FWHM） of Eu
2+
ions have been analyzed. The obtained conclusions are expected to give the design clue for the related experimentalist.
关键词
Eu2+掺杂荧光粉窄带发射配位环境斯托克斯位移声子频率
Keywords
Eu2+- doped phosphorsnarrow emissioncoordination environmentStokes shiftphonon frequency
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