无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ
研究与开发

Ba2+、MoO42-掺杂对NaCaPO4:Eu3+荧光粉发光性能的影响研究

  • 隆金桥 ,
  • 崔连胜 ,
  • 姚鹏飞 ,
  • 欧阳思铭
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  • 百色学院化学与环境工程学院,广西百色 533000
隆金桥(1970— ),男,研究生,副教授,主要从事无机材料的合成及性能研究;E-mail: long_403@163.com

收稿日期: 2020-12-10

  网络出版日期: 2021-09-08

基金资助

广西自然科学基金面上项目(2020GXNSFAA159036);广西自然科学基金联合资助培育项目(2018GXNSFAA294060);广西高校科研重点项目(KY2015ZD117)

Study on effect of doping Ba2+ and MoO42- on the luminescent properties of phosphor of NaCaPO4:Eu3+

  • Jinqiao Long ,
  • Liansheng Cui ,
  • Pengfei Yao ,
  • Siming Ouyang
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  • College of Chemistry & Environment Engineering,Baise University,Baise 533000,China

Received date: 2020-12-10

  Online published: 2021-09-08

摘要

为提高红色荧光粉的发光强度和色纯度,以硝酸钙、硝酸钠、硝酸铕、磷酸二氢铵、钼酸铵、硝酸钡为原料,采用高温固相法合成了NaCa1-xPO4xEu3+、NaCa1-x(PO41-y(MoO4yxEu3+、NaCa1-x-zPO4xEu3+,zBa2+系列红色荧光粉。探讨了Eu3+单掺杂和Eu3+/MoO42-、Eu3+/Ba2+共掺杂对荧光粉发光性能的影响。用X射线衍射(XRD)、荧光分光光度计、色坐标等对荧光粉的结构进行表征。研究结果表明:掺杂Eu3+、MoO42-、Ba2+后NaCaPO4晶系没有发生变化,但是晶胞参数发生了变化,说明Eu3+、MoO42-、Ba2+进入NaCaPO4晶格中。在393 nm紫外光激发下,荧光粉发射光谱图出现两个Eu3+比较强的特征发射峰,分别属于Eu3+5D07F15D07F2跃迁。与单掺杂16%Eu3+荧光粉相比,共掺杂16%Eu3+/3%MoO42-或16%Eu3+/6%Ba2+荧光粉的发射光谱中5D07F2跃迁产生的发射峰强度均高于单掺杂16%Eu3+荧光粉的发射峰强度,其5D07F25D07F1发射光强度之比(R)分别为1.76(RMo)和1.28(RBa),都大于单掺杂16%Eu3+荧光粉的REu(0.99),共掺杂Eu3+/MoO42-荧光粉的色纯度比单掺杂Eu3+和共掺杂Eu3+/Ba2+荧光粉的色纯度更好。

本文引用格式

隆金桥 , 崔连胜 , 姚鹏飞 , 欧阳思铭 . Ba2+、MoO42-掺杂对NaCaPO4:Eu3+荧光粉发光性能的影响研究[J]. 无机盐工业, 2021 , 53(9) : 30 -34 . DOI: 10.19964/j.issn.1006-4990.2020-0637

Abstract

In order to enhance the luminous intensity and color purity of red phosphor,using calcium nitrate,sodium nitrate,europium nitrate,ammonium dihydrogen phosphate,ammonium molybdate and barium nitrate as raw materials,a series of red phosphors of NaCa1-xPO4xEu3+、NaCa1-x(PO41-y(MoO4yxEu3+、NaCa1-x-zPO4xEu3+,zBa2+ were synthesized by high temperature solid phase method.The effect of mono-doping Eu3+ and co-doping Eu3+/MoO42- and Eu3+/Ba2+ phosphors on the luminescent properties of the phosphors were investigated.The structure of the phosphors was characterized by X-ray diffraction(XRD),fluorescence spectrophotometer and color coordinates.The results showed that the crystal system of NaCaPO4 did not change after doping Eu3+,MoO42- and Ba2+,but the crystal cell parameters changed,indicating that Eu3+,MoO42- and Ba2+ entered the lattice of NaCaPO4.Under the excitation of ultraviolet light at 393 nm,the emission spectra of phosphors showed two characteristic emission peaks of Eu3+,which belonged to the transition of5D07F1 and5D07F2 of Eu3+.Compared with the mono-do-ped Eu3+ phosphor of 16%,in the emission spectra of the co-doped 16%Eu3+/3%MoO42- or 16%Eu3+/6%Ba2+ phosphor,the emission peak intensity generated by5D07F2 transition was higher than that of the mono-doped Eu3+ phosphor of 16%.The emission intensity ratios(R) of5D07F2 and5D07F1 were 1.76(RMo) and 1.28(RBa),respectively,which were higher than that of mono-doped REu(0.99).The color purity of co-doped Eu3+/MoO42- phosphor was better than that of mono-doped Eu3+ and co-doped Eu3+/Ba2+ phosphors.

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