橙红色荧光粉Ca3Y2Si3O12：Sm3+的制备及发光特性

吴疆; 张萍; 蒋春东; 邱泽忠

doi:10.3788/fgxb20143507.0772

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橙红色荧光粉Ca₃Y₂Si₃O₁₂：Sm³⁺的制备及发光特性

材料合成及性能 | 更新时间：2020-08-12

- 橙红色荧光粉Ca₃Y₂Si₃O₁₂：Sm³⁺的制备及发光特性
- Preparation and Luminescence Properties of Reddish-orange Phosphors Ca₃Y₂Si₃O₁₂：Sm³⁺
- 发光学报 2014年35卷第7期页码：772-776
- 作者机构：
  
  四川大学材料科学与工程学院,四川成都,610065
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20143507.0772
  中图分类号： O482.31
- 收稿日期：2014-04-06，
  
  修回日期：2014-04-17，
  
  网络出版日期：2014-04-30，
  
  纸质出版日期：2014-07-03
- 稿件说明：
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吴疆, 张萍, 蒋春东等. 橙红色荧光粉Ca3Y2Si3O12：Sm3+的制备及发光特性[J]. 发光学报, 2014,35(7): 772-776

WU Jiang, ZHANG Ping, JIANG Chun-dong etc. Preparation and Luminescence Properties of Reddish-orange Phosphors Ca3Y2Si3O12：Sm3+[J]. Chinese Journal of Luminescence, 2014,35(7): 772-776
吴疆, 张萍, 蒋春东等. 橙红色荧光粉Ca3Y2Si3O12：Sm3+的制备及发光特性[J]. 发光学报, 2014,35(7): 772-776 DOI： 10.3788/fgxb20143507.0772.

WU Jiang, ZHANG Ping, JIANG Chun-dong etc. Preparation and Luminescence Properties of Reddish-orange Phosphors Ca3Y2Si3O12：Sm3+[J]. Chinese Journal of Luminescence, 2014,35(7): 772-776 DOI： 10.3788/fgxb20143507.0772.

摘要

采用高温固相法在1 400 ℃下经二次煅烧合成了橙红色荧光粉Ca

：

，研究了Sm

离子掺杂浓度及助熔剂对荧光粉发光性能的影响。XRD结果显示，所合成的荧光粉的主晶相为Ca

。荧光光谱分析表明，Ca

：Sm

硅酸盐荧光粉可以在320~500 nm范围内得到有效激发，并发射橙红光。在402 nm激发下，样品发射光谱中的主发射峰分别位于562 nm（

5/2

）、598 nm（

5/2

7/2

）和646 nm（

5/2

9/2

），其中598 nm处峰值最大。改变Sm

离子掺杂浓度发现：荧光粉发光强度先增大后减小，最佳Sm

掺杂量

（Sm

）为5%，浓度猝灭机理为离子间的相互作用。讨论了几种助熔剂的影响，NH

F、CaF

和NaCl均降低荧光粉的发光强度，只有H

能够显著增强样品的发光，其最佳掺杂质量分数为1%。

Abstract

The reddish-orange Ca

phosphors were synthesized by the high temperature solid-state method at

400 ℃

and the effects of Sm

ion doping concentration and fluxes on the luminescence property of the phosphors were studied. The principal crystalline phase of the samples is Ca

. Ca

:Sm

silicate phosphors can be effectively excited in the range of 320~500 nm

and emit reddish-orange light. Excited by 402 nm

the emission peaks mainly locate at 562 nm (

5/2

)

598 nm (

5/2

7/2

)

and 646 nm (

5/2

9/2

)

The peak locating at 598 nm is the maximum. With the increasing of the doping concentration of Sm

the emission intensity of the phosphors increases firstly and then decreases. The optimum doping content of Sm

(Sm

)=5%. The concentration quenching mechanism is the interaction among ions. The influence of several kinds of fluxes was discussed also. The emission intensities all decrease by adding a certain amount of NH

CaF

NaCl

but increase significantly by adding H

with the optimum doping mass fraction of 1%.

关键词

Keywords

references

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