微波辐射法快速合成Eu3+激活的SrMoO4红色荧光粉

河北大学学报(自然科学版) ›› 2012, Vol. 32 ›› Issue (6): 602-607.

微波辐射法快速合成Eu3+激活的SrMoO4红色荧光粉

翟永清,王莉莉,陈娟,殷天亮,李蕊

河北大学化学与环境科学学院,河北保定,071002

出版日期:2012-11-25 发布日期:2012-11-25
基金资助:
国家自然科学基金资助项目

Synthesis of Eu3+-doped SrMoO4 red emitting phosphors by microwave radiation method

ZHAI Yongqing,WANG Lili,CHEN Juan,YIN Tianliang,LI Rui

Online:2012-11-25 Published:2012-11-25

摘要/Abstract

摘要： 采用微波辐射法合成了Eu3+掺杂SrMoO4红色荧光粉.运用X线衍射仪及荧光分光光度计对该荧光粉的物相结构及发光性能等进行了分析和表征.结果表明:所得的样品为四方晶系、白钨矿结构的钼酸盐,空间群为141/a.激发光谱在200～350 nm处有1宽的吸收带,峰值位于290 nm,属于Mo-O,Eu-O的电荷迁移带;350 nm以后的吸收峰是由于Eu3+离子的f-f跃迁引起的.发射光谱由一系列发射峰组成,主峰位于617 nm处,属于5D0→7 F2电偶极跃迁发射,发纯正的红光.同时,考察了微波吸收剂、反应时间、助熔剂等对发光性能的影响.

关键词: 白光LED, SrMoO4:Eu3+, 红色发光材料, 微波辐射法

中图分类号:

O657.36

翟永清,王莉莉,陈娟,殷天亮,李蕊. 微波辐射法快速合成Eu3+激活的SrMoO4红色荧光粉[J]. 河北大学学报(自然科学版), 2012, 32(6): 602-607.

ZHAI Yongqing,WANG Lili,CHEN Juan,YIN Tianliang,LI Rui. Synthesis of Eu3+-doped SrMoO4 red emitting phosphors by microwave radiation method[J]. Journal of Hebei University (Natural Science Edition), 2012, 32(6): 602-607.

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