Thermal Stability of Up-conversion Luminescent Material BaMoO4:Yb3+/Tm3+

Ji-yi SU; Xi-yan ZHANG; Lin SHI

doi:10.3788/fgxb20204106.0684

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Thermal Stability of Up-conversion Luminescent Material BaMoO₄:Yb³⁺/Tm³⁺

Synthesis and Properties of Materials | 更新时间：2020-09-15

- Thermal Stability of Up-conversion Luminescent Material BaMoO₄:Yb³⁺/Tm³⁺
- Chinese Journal of Luminescence Vol. 41, Issue 6, Pages: 684-690(2020)
- 作者机构：
  
  1.长春理工大学材料科学与工程学院, 吉林长春 130022
  2.吉林化工学院材料科学与工程学院, 吉林吉林 132022
  3.北华大学药学院, 吉林吉林 132022
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China;National Natural Science Foundation of
- DOI：10.3788/fgxb20204106.0684
  CLC：
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Ji-yi SU, Xi-yan ZHANG, Lin SHI. Thermal Stability of Up-conversion Luminescent Material BaMoO₄:Yb³⁺/Tm³⁺. [J]. Chinese Journal of Luminescence 41(6):684-690(2020)
DOI：

Ji-yi SU, Xi-yan ZHANG, Lin SHI. Thermal Stability of Up-conversion Luminescent Material BaMoO₄:Yb³⁺/Tm³⁺. [J]. Chinese Journal of Luminescence 41(6):684-690(2020) DOI： 10.3788/fgxb20204106.0684.

摘要

采用水热法制备了BaMoO,4,：Yb,3+,/Tm,3+,纳米晶体。通过改变样品的合成温度及测试温度研究材料的热稳定性能和发光性能。结果显示，当,C,Yb,3,+,=6%、,C,Tm,3,+,=1.5%时，经过743 K高温再结晶的样品晶粒尺寸变大，发光性能及热稳定性能明显提升。对形貌和结构分析发现样品具有标准的四方晶格结构及较高的结晶度。上转换发射光谱及荧光衰减曲线的测定结果说明样品热稳定性能优异。量子产率达到1.5%，发射光颜色均匀。证明了BaMoO,4,：Yb,3+,/Tm,3+,纳米晶体实际应用价值高，热稳定性能及发光性能好。

Abstract

The up-conversion luminescent material BaMoO,4,:Yb,3+,/Tm,3+, was prepared by hydrothermal method. The thermal stability and luminescence properties of the materials were studied by changing the synthesis temperature and test temperature. It indicated that, when,C,Yb,3+,=6% and ,C,Tm,3+,=1.5%, the grain size of the samples increased after recrystallization at 743 K, but the luminescence properties and thermal stabilities of the samples were improved obviously. The samples had high degree of crystallinity and they were tetragonal system. By measuring the up-conversion emission spectra and the decay curves of the samples, it was found that the thermal stability of the samples was excellent. The quantum yield of the sample was 1.5% and the emission color was uniform. Therefore, the sample has high luminescence property, thermal stability and practical value.

关键词

上转换发光热稳定性高温再结晶

Keywords

up-conversion luminescencethermal stabilityrecrystallization

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