Hydrothermal Synthesis and Spectral Properties of MMoO4 ∶ Eu3+(M=Ca,Sr,Ba) Red Phosphors

GENG Xiu-juan; TIAN Yan-wen; CHEN Yong-jie; XIAO Lin-jiu

doi:10.3788/fgxb20113207.0670

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Hydrothermal Synthesis and Spectral Properties of MMoO₄ ∶ Eu³⁺(M=Ca,Sr,Ba) Red Phosphors

paper | 更新时间：2020-08-12

- Hydrothermal Synthesis and Spectral Properties of MMoO₄ ∶ Eu³⁺(M=Ca,Sr,Ba) Red Phosphors
- Chinese Journal of Luminescence Vol. 32, Issue 7, Pages: 670-674(2011)
- 作者机构：
  
  1. 东北大学材料与冶金学院,辽宁沈阳,110004
  2. 沈阳化工大学,辽宁沈阳,110142
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20113207.0670
  CLC： O482.31
- Received：25 January 2011，
  
  Revised：24 March 2011，
  
  Published Online：22 July 2011，
  
  Published：22 July 2011
- 稿件说明：
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耿秀娟, 田彦文, 陈永杰, 肖林久. 红色荧光粉MMoO4 ∶ Eu3+ 的水热合成及光谱性质[J]. 发光学报, 2011,32(7): 670-674

GENG Xiu-juan, TIAN Yan-wen, CHEN Yong-jie, XIAO Lin-jiu. Hydrothermal Synthesis and Spectral Properties of MMoO4 ∶ Eu3+(M=Ca,Sr,Ba) Red Phosphors[J]. Chinese Journal of Luminescence, 2011,32(7): 670-674
耿秀娟, 田彦文, 陈永杰, 肖林久. 红色荧光粉MMoO4 ∶ Eu3+ 的水热合成及光谱性质[J]. 发光学报, 2011,32(7): 670-674 DOI： 10.3788/fgxb20113207.0670.

GENG Xiu-juan, TIAN Yan-wen, CHEN Yong-jie, XIAO Lin-jiu. Hydrothermal Synthesis and Spectral Properties of MMoO4 ∶ Eu3+(M=Ca,Sr,Ba) Red Phosphors[J]. Chinese Journal of Luminescence, 2011,32(7): 670-674 DOI： 10.3788/fgxb20113207.0670.

摘要

采用水热合成法制备了红色荧光粉

MoO

∶ Eu

(

=Ca

Ba)

用XRD、SEM、荧光激发和发射光谱对其物相、形貌以及发光性能进行表征和研究。结果表明

在800 ℃时可得到

MoO

(

=Ca

Ba)物相结构

荧光粉粒径小且粒度分布均匀。分别以395 nm的近紫外光和465 nm的蓝光激发样品

MoO

∶ Eu

(

=Ca

Ba)荧光粉发红光

对应于Eu

的4f-4f 跃迁

其中以616 nm发光最强。荧光粉在395 nm和465 nm的吸收分别与紫外光和蓝光LED芯片的发射相匹配。

Abstract

The red phosphors

MoO

∶ Eu

(

=Ca

Ba) were prepared by hydrothermal synthesis method. The crystalline phase

morphology and luminescence characteristics of the phosphor particles were characterized by X-ray diffraction (XRD)

scanning electron microscopy(SEM)

excitation and emission spectra. The results show that the phosphors prepared at 800 ℃ temperature are with

MoO

(

=Ca

Ba) crystalline phase

the phosphors have small particle size and uniform particle size distribution. Upon excitation with 395 nm and 465 nm light

all the

MoO

∶ Eu

(

=Ca

Ba) phosphors show bright red emission due to the 4f-4f transitions of Eu

ions

and the highest photoluminescence intensity at 616 nm is found. The excitation and emission spectra show that this phosphor could be effectively excited by ultraviolet(395 nm) and blue light(465 nm)

nicely fitting with the emission wavelengths of widely applied ultraviolet or blue LED chips.

关键词

Keywords

references

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