Enhancing Thermal Stability of Li3Cs2Ba2-<italic style="font-style: italic">x</italic>Sr<italic style="font-style: italic">x</italic>B3P6O24∶Eu2+ Phosphor <italic style="font-style: italic">via</italic> Cation Substitution

SUO Huixian; SONG Zhi; KANG Xiaojiao; LI Xinming; ZHOU Fei; LYU Wei

doi:10.37188/CJL.20220407

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Enhancing Thermal Stability of Li₃Cs₂Ba_2-_xSr_xB₃P₆O₂₄∶Eu²⁺ Phosphor via Cation Substitution

Synthesis and Properties of Materials | 更新时间：2023-06-15

- Enhancing Thermal Stability of Li₃Cs₂Ba_2-_xSr_xB₃P₆O₂₄∶Eu²⁺ Phosphor via Cation Substitution
  增强出版
- Chinese Journal of Luminescence Vol. 44, Issue 5, Pages: 837-844(2023)
- 作者机构：
  
  1.东莞理工学院电子工程与智能化学院，广东东莞　523808
  2.华南师范大学信息光电子科技学院，广东省微纳光子功能材料与器件重点实验室，广东广州　510006
- 作者简介：
- 基金信息：
  
  Dongguan Science and Technology of Social Development Program(20221800905152);Dongguan Sci-tech Commissoner Program(20221800500192);Guangdong Provincial Key Laboratory of Intelligent Disaster Prevention and Emergency Technologies for Urban Lifeline Engineering(2022B1212010016)
- DOI：10.37188/CJL.20220407
  CLC： O482.31
- Published：05 May 2023，
  
  Received：08 December 2022，
  
  Revised：16 December 2022，
- 稿件说明：
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索慧娴,宋志,康晓娇等.阳离子替换提升Li₃Cs₂Ba_2-_xSr_xB₃P₆O₂₄∶Eu²⁺荧光粉热稳定性[J].发光学报,2023,44(05):837-844.

SUO Huixian,SONG Zhi,KANG Xiaojiao,et al.Enhancing Thermal Stability of Li₃Cs₂Ba_2-_xSr_xB₃P₆O₂₄∶Eu²⁺ Phosphor via Cation Substitution[J].Chinese Journal of Luminescence,2023,44(05):837-844.
索慧娴,宋志,康晓娇等.阳离子替换提升Li₃Cs₂Ba_2-_xSr_xB₃P₆O₂₄∶Eu²⁺荧光粉热稳定性[J].发光学报,2023,44(05):837-844. DOI： 10.37188/CJL.20220407.

SUO Huixian,SONG Zhi,KANG Xiaojiao,et al.Enhancing Thermal Stability of Li₃Cs₂Ba_2-_xSr_xB₃P₆O₂₄∶Eu²⁺ Phosphor via Cation Substitution[J].Chinese Journal of Luminescence,2023,44(05):837-844. DOI： 10.37188/CJL.20220407.

摘要

热猝灭性能极大程度上限制了发光材料的应用，如何改善发光材料的热稳定性这一课题受到了广泛关注。本文通过高温固相法制备了一系列浓度梯度的Li

∶0.03Eu

荧光粉，并对该系列荧光粉进行了表征，对其XRD、激发发射光谱、荧光寿命、热猝灭性能进行了分析。结果表明，通过阳离子Sr替代Ba的方法不但改善了晶格结构，提升了样品的发光强度，而且使原发光材料的热稳定性能进一步得到了提高。对于Li

∶Eu

样品，在150 ℃下的发光强度已经可以达到常温下的79%，通过Sr替换Ba，该强度能够进一步提高到87%。相关分析及结论可为荧光粉热稳定性的改善提供思路与依据。

Abstract

One of the more critical attributes of inorganic phosphors is the thermal quenching properties. In this study， we attempt to improve the photoluminescence and thermal quenching behavior by cation substitution. The optical， structural property， the thermal stability， and lifetime decay properties of phosphors were investigated. The results indicate that Sr substitution of Ba in Li

∶Eu

system could not only improve the luminous efficiency but also achieve better thermal stability at high temperature. This new series of blue luminescent materials have potential applications in LED applications. More importantly， we demonstrate a strategy to develop highly efficient， thermally stable phosphors.

关键词

荧光粉Eu2+掺杂温度猝灭阳离子替换

Keywords

phosphorEu2+thermal quenchingcation substitution

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Related Institution

School of Electrical Engineering and Intelligentization， Dongguan University of Technology

Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices， School of Information and Optoelectronic Science and Engineering， South China Normal University

School of Electrical Engineering and Intelligentization， Dongguan University of Technology

Department of Physics， Changchun Normal University

Key Laboratory of Luminescence Science and Technology， Chinese Academy of Sciences & State Key Laboratory of Luminescence and Applications， Changchun Institute of Optics， Fine Mechanics and Physics， Chinese Academy of Sciences

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⁰

Enhancing Thermal Stability of Li3Cs2Ba2-xSrxB3P6O24∶Eu2+ Phosphor via Cation Substitution

DOI：10.37188/CJL.20220407

摘要

Abstract

关键词

Keywords

references

Enhancing Thermal Stability of Li₃Cs₂Ba_2-_xSr_xB₃P₆O₂₄∶Eu²⁺ Phosphor via Cation Substitution